GMDSS SEA AREAS
1.
GMDSS Sea Area A4 is best described as being an area within
a)
70° North - 70° South
b)
70° - 90° North and 70° - 90° South
c)
MF RT range of at least one shore station having continuous MF DSC
d)
Continuous global coverage of the COSPAS – SARSAT system
2.
Ships sailing exclusively in GMDSS Sea Areas A2 must maintain continuous DSC watch
on
a)
8414.5 KHz and Ch.70 VHF
b)
2187.5 KHz and Ch.70 VHF
c)
2182 KHz and Ch.70 VHF
d)
2174.5 KHz and Ch. 70 VHF
3.
GMDSS Sea Area A2 is best described as being within
a)
MF RT range of at least one shore station providing continuous MF DSC alerting
b)
RT range of an MF shore station providing continuous MF watch
c)
HF RT range of at least one shore station providing continuous HF DSC alerting
d)
Range of the Inmarsat system with continuous watch
4.
Vessels trading in a A3 area fitted with MF/HF DSC must keep continuous watch
on
a)
VHF Ch.70, 8414.5 KHz plus one other HF distress frequency only
b)
VHF Ch.70 and 2187.5 only
c)
VHF Ch.70, 2187.5 KHz and 2174.5 KHz
d)
VHF Ch.70, 2187.5 KHz, 8414.5 KHz plus one other HF distress frequency
5.
GMDSS Sea area A1 is best described as being an area within
a)
MF RT range of an MF shore station
b)
Approximately 100 to 150 miles from the coast
c)
VHF RT range of at least one shore station providing continuous VHF DSC
alerting
d)
MF RT range of at least one shore station providing continuous MF DSC alerting
6.
GMDSS Sea Area A3 area within
a)
VHF RT range of at least one shore station providing continuous VHF DSC
alerting
b)
Coverage range of the Inmarsat geo-stationary satellite system
c)
50 to 600 miles from the coast
d)
MF RT range of at least one shore station providing continuous MF DSC alerting
KEY
ANSWERS:
GMDSS Sea Areas
1b 2b 3a 4d 5c 6b
Frequencies and Channels
1. The preferred frequency/channel for two-way
communication with survival craft during SAR operations is
a)
406 KHz
b)
VHF Ch. 16
c)
2182 KHz
d) 9
GHz
2. The designated frequency/channel for ship-ship
RT Safety of Navigation exchange is
a)
518 KHz
b)
2182 KHz
c)
VHF Ch. 13
d)
VHF Ch. 06
3. The main purpose of RT transmissions on VHF
Ch.13 is for
a)
Cancelling a false DSC Distress Alert sent on Ch.70
b)
Ship-to-ship Safety of Navigation communications
c)
Ship-to-ship Routine communications
d)
SAR aircraft communications to home onto an EPIRB
4. A SART may be triggered when receiving a signal
from
a)
MF DSC
b)
COSPAS-SARSAT EPIRB
c)
10 cm/S-band radar
d) 3
cm /X-band radar
5. The main purpose of transmissions on 2174.5 KHz
is for
a)
NAVTEX English-language broadcasts
b)
Routine ship to ship telex massages on HF
c)
Ship to ship RT communications for the Safety of Navigation
d)
MF telex Distress, Urgency and safety messages
6. The main purpose of transmissions on 406 MHz is
for
a)
Two-way RT communication with life raft during SAR operations
b)
EPIRB satellite position fixing
c)
MF telex Distress, Urgency and Safety message
d)
NAVTEX English-language broadcasts
7. The main purpose of transmissions on 518 KHz is
for
a)
Two-way RT communication with life raft during SAR operations
b)
NAVTEX English-language reception
c)
EPIRB local homing
d)
Triggering a SART during SAR operations
8. The preferred frequency/channel to cancel a
false DSC Distress Alert sent on MF is
a)
2182 KHz
b) 9
GHz
c)
518 KHz
d)
VHF Ch.16
9. Vessels trading in area A3 fitted with MF/HF DSC
must keep continuous watch
a)
VHF Ch.70 and 2182 KHz only
b)
VHF Ch.70, 2187.5 KHz, 8414.5 KHz plus one other HF distress frequency
c)
VHF Ch.70, 2187.5 KHz and 2174.4 KHz
d)
VHF Ch.70, 8414.5 KHz plus one other HF distress frequency only.
10. The main purpose of RT (voice) transmissions on
2182 KHz is for
a)
Communications between ships for the Safety of Navigation
b)
Communications concerning Distress, Urgency and Safety
c)
Cancelling false alerts sent on Ch.70
d)
Communications between ships for Routine messages
11. The preferred frequency/channel to cancel a
false DSC Distress Alert sent on VHF ch. 70 is
a)
VHF Ch. 16
b)
518 KHz
c)
2182 KHz
d)
12 MHz RT (voice) Distress frequency
12. The preferred frequency to transmit a distress
message using telex on MF is
a)
2177 KHz
b)
8414.5 KHz
c)
2189.5 KHz
d)
2174.5 KHz
13.
The preferred freq. /channel to cancel a false distress alert sent on 12577 KHz
is
a)
2182 KHz
b)
VHF Ch 16
c)
518 KHz
d)
12 MHz RT (Voice) distress frequency
KEY ANSWERS:
Frequencies and Channels
1b 2c 3b 4d 5d 6b 7b 8a 9b 10b 11a 12d 13d
Distress, Urgency and Safety
1.
After receiving DSC Distress Alert Relay from a MRCC on MF, you should
a)
Listen for a Mayday Relay message on 2187.5 KHz
b)
Immediately acknowledge by R/T on 2182 KHz
c)
Listen for a Mayday Relay message on 2182 KHz
d)
Immediately acknowledge by DSC on 2187.5 KHz
2. A
DSC Distress Alert should be sent on the authority of the
a)
Officer of the watch
b)
Person responsible for radio communications in an emergency
c)
Owner of the vessel
d)
Master or person responsible for the vessel
3.
The signal “Seelonce Feenee” should only be transmitted by
a)
Any station involved in the distress incident
b)
The control station to impose silence
c)
The Port Operation station nearest the distress position
d)
The station controlling the distress working
4.
After receiving a VHF DSC Distress Alert Relay from a MRCC you should
a)
Immediately acknowledge by DSC on Ch. 70
b)
Listen for a Mayday Relay Message on Ch. 70
c)
Immediately acknowledge by RT on Ch. 16
d)
Listen for a Mayday Relay Message on Ch. 16
5. A
VHF DSC Distress Alert Relay should be sent on
a)
Ch. 13
b)
Ch. 16
c)
Ch. 6
d)
Ch. 70
6. A
DSC Distress Alert Relay should only be sent on the authority of
a)
The Master or person responsible for the vessel
b)
The Chief Engineer officer
c)
The officer of the watch
d)
Person responsible for radio communications in an emergency
7. A
VHF DSC Distress Alert, unless acknowledged or reset, will automatically repeat
after
a)
10 minutes
b)
15 minutes
c)
4.5 to 5.5 minutes
d)
3.5 to 4.5 minutes
8.
You receive a VHF DSC Urgency call, you should
a)
Acknowledge by DSC on Ch. 70
b)
Acknowledge by R/T on Ch. 16
c) Listen
for the message on Ch. 13
d)
Listen for the message on Ch. 16
9.
You are in GMDSS Sea Area A2 and have received a MF DSC Distress Alert you should
a)
Acknowledge immediately by RT on 2182 KHz
b)
Acknowledge immediately by RT on 2187.5 KHz
c)
Wait a short period, then acknowledge by DSC on 2187.5 KHz
d)
Wait a short period, then acknowledge by RT on 2182 KHz
10.
Your vessel is in Sea Area A1 and is in grave and imminent danger and require immediate
assistance, you should initially transmit a
a) DSC
Distress Alert on Ch. 16
b)
RT Distress Call on Ch. 16
c)
RT Distress Call on Ch. 70
d)
DSC Distress Alert on Ch. 70
11.
You receive an All Stations DSC Safety call on 2187.5 KHz, you should
a)
Listen for the call on 2048 KHz
b)
Acknowledge by RT on 2182 KHz
c)
Listen for the call on 2182 KHz
d)
Acknowledge by DSC on 2187.5 KHz
12.
After transmitting a VHF DSC Distress Alert in Sea Area A1, you should expect a
subsequent acknowledgement by R/T on
a)
Ch. 16
b)
Ch. 70
c)
Ch. 13
d)
Ch. 06
13.
You receive an MF DSC Urgency call, you should
a)
Listen for the message on 2177 KHz
b)
Acknowledge by RT on 2182 KHz
c)
Listen for the message on 2182 KHz
d)
Acknowledge by DSC on 2187.5 KHz
14.
A VHF DSC Distress Alert should be sent on
a)
Ch. 6
b)
Ch. 13
c)
Ch. 16
d)
Ch. 70
15.
The correct form for an RT Distress Message following a DSC Distress Alert is
a)
MAYDAY, name, call sign and MMSI, position, nature of distress, name of the
Master
b)
MAYDAY, name, call sign and MMSI, position, nature of distress, assistance
required,
further relevant information
c)
MAYDAY, name, call sign and MMSI, assistance required, position
d)
MAYDAY, nature of distress, assistance required, further relevant info
16.
The RT signal SECURITE should be used for a
a)
Urgency message
b) Routine
message
c)
Safety message
d) Distress message
17.
You receive an “All Stations” DSC Safety call on Ch. 70 VHF, you should
a)
Listen for the call on Ch. 16
b)
Acknowledge by DSC on Ch. 70
c)
Listen for the call on Ch. 13
d)
Acknowledge by RT on Ch. 16
18.
Your vessel is in Sea Area A2 and is in grave and imminent danger and require immediate
assistance, you should initially transmit a
a)
DSC Distress Alert on 2182 KHz
b)
DSC Distress Alert on 2187.5 KHz
c)
RT Distress Call on 2187.5 KHz
d)
RT Distress Call on 2182 KHz
19.
The correct format for an RT Urgency call is
a)
PAN (x3) this is Nonsuch GBAC 232123456 (x3)
b)
All Stations (x3) this is Nonsuch (x3)
c)
PAN PAN (x3) All Stations (x3) this is Nonsuch (x3) GBAC 232123456
d)
SECURITE (x3) All Stations (x3) this is Nonsuch (x3) GBAC 232123456
20.
You are in Sea Area A1 and require medical assistance from Aberdeen Coastguard.
You
should initially transmit on Ch. 70
a) A
DSC Routine call to All Stations
b) A
DSC Safety call to All Stations
c) A
DSC Distress Alert addressed to Aberdeen Coastguard’s MMSI
d)
An DSC Urgency call addressed to Aberdeen Coastguard MMSI
21.
Your vessel is in GMDSS Sea Area A1, drifting ashore and you require a tow,
what do
you
initially transmit by Ch. 70 DSC
a)
An All Stations Safety call
b)
An All Stations Stations call
c)
An All Stations Urgency call
d) A
Distress Alert Relay
22.
After transmitting a MF DSC Safety call, the RT call should be transmitted on
a)
2182 KHz
b)
2048 KHz
c)
2177 KHz
d)
2187.5 KHz
23.
After transmitting a DSC Distress Alert Relay on Ch. 70, you should switch to
a)
Ch. 16
b)
Ch. 13
c)
Ch. 70
d)
Ch. 06
24.
A designated DSC Distress Alert contains
a)
ID, position and number of crew on board
b)
ID, position and vessel’s call sign
c)
ID, position and the nature of distress
d)
ID, position and name of vessel in distress
25.
The RT signal PAN PAN should be used for a
a)
Distress message
b)
Routine message
c)
Safety message
d)
Urgency message
26.
The correct format for an RT Safety Call to Clyde Coastguard is
a)
PAN PAN (x3) Clyde Coastguard (x3) this is Nonsuch (x3) GBAC 232123456
b)
SECURITE Clyde Coastguard (x3) this is Nonsuch (x3) GBAC 232123456
c)
PAN PAN (x3) All Stations (x3) this is Nonsuch (x3)
d)
SECURITE (x3), Clyde Coastguard (x3) this is Nonsuch (x3) GBAC 232123456
27.
The correct format for an RT Safety call is
a)
PAN (x3) this is Nonsuch (x3)
b)
All Stations (x3) this is Nonsuch (x3)
c)
SECURITE All Stations (x3) this is Nonsuch (x3) GBAC 232123456
d)
SECURITE (x3) All Stations (x3) this is Nonsuch (x3) GBAC 232123456
28.
You are in Sea Area A2 and require medical advice from Humber Coastguard. You should
initially transmit by MF DSC on 2187.5 KHz
a) A
Distress Alert addressed to Humber Coastguard’s MMSI
b) A
Routine Alert to All Stations
c) A
Safety Alert to All Stations
d)
An Urgency call addressed to Humber Coastguard’s MMSI.
29.
You are in GMDSS Sea Area A1 and have received a DSC Distress Alert you should
a)
Acknowledge immediately by RT on Ch. 16
b)
Acknowledge immediately by RT on Ch. 70
c)
Wait a short period, then acknowledge by RT on Ch. 16
d)
Wait a short period, then acknowledge by DSC on Ch. 70
30.
Your vessel has sighted a hazard to shipping in GMDSS Sea Area A1. You should inform
vessels in the area by initially transmitting on Ch. 70 DSC
a) A
Distress Alert Relay Alert
b) A
Routine call addressed to All Stations
c) A
Safety call addressed to All Stations
d)
An Urgency call addressed to All Stations
31.
The signal “Seelonce Feenee” indicates
a) A
Distress is in progress
b)
Silence is to be imposed
c) A
Distress has ended
d)
An Urgency has ended
32.
The correct format for an RT Urgency Call on Clyde Coastguard is
a)
PAN PAN Clyde Coastguard (x3) this is Nonsuch (x3) GABC 232123456
b)
PAN PAN (x3) Clyde Coastguard (x3) this is Nonsuch (x3) GABC 232123456
c)
PAN (x3) Clyde Coastguard (x3) this is Nonsuch (x3)
d)
SECURITE (x3) Clyde Coastguard (x3) this is Nonsuch (x3) GABC 232123456
33.
After transmitting a VHF DSC Urgency call, the RT call and message is usually
sent on
a)
Ch. 70
b)
Ch. 06
c)
Ch. 16
d)
Ch. 13
34.
The signal SEELONCE MAYDAY indicates
a) A
Distress message is to follow
b) A
Distress has ended
c)
The control station is imposing silence
d)
An Acknowledgement of a Distress
35.
A meteorological warning should be preceded by the RT signal
a)
MAYDAY
b)
SECURITE
c)
MAYDAY RELAY
d)
PAN PAN
36.
The RT signal that indicates return to normal working is
a)
SEELEONCE MAYDAY
b)
SEELONCE FEENEE
c)
SEELONCE DISTRESS
d)
SEELONCE OVER
37.
After transmitting a VHF DSC Distress Alert Relay, you should transmit
a) A
MAYDAY RELAY call and message on Ch. 70
b) A
MAYDAY RELAY call and message on Ch. 16
c) A
MAYDAY call and message on Ch. 16
d)
An All Stations call and message on Ch. 16
38.
To announce an unscheduled meteorological warning a coast station should
transmit by DSC
a)
Safety call
b)
Urgency call
c)
Distress Alert
d)
Distress Alert Relay
39.
The VHF channel for ship-to-ship RT communications relating to Safety of
Navigation is
a)
Ch. 13
b)
Ch. 16
c)
Ch. 06
d)
Ch. 70
40.
The RT signal used by a control station to impose silence is
a)
SEELONCE FEENEE
b)
SEELONCE DISTRESS
c)
SEELONCE MAYDAY
d)
SEELONCE PAN PAN
41.
Your vessel is in GMDSS Sea Area A1 and you have sighted an unlit buoy. To all
ships, you should transmit on Ch. 70 by DSC
a) A
Safety call addressed to All Stations
b) A
Distress Alert Relay Alert
c) a
Routine call addressed to All Stations
d)
an Urgency call address to All Stations
42.
After transmitting a VHF DSC Safety call and RT call, the Safety message should
be transmitted on
a)
Ch. 16
b)
Ch. 06
c)
Ch 70
d)
Ch. 13
KEY ANSWERS:
Distress, Urgency and Safety
1c 2d 3d 4d 5d 6a 7d 8d 9d 10d 11c 12a 13c 14d
15b 16c 17a 18b 19c 20d 21c 22a 23a 24c 25d 26d 27d 28d 29c 30c 31c 32b 33c 34c
35b 36b 37b 38a 39a 40c 41a 42b
Satellite Communications
1.
Services available using Inmarsat Fleet 77 are
a)
Slow speed fax only
b)
Telex
c)
Store and forward messaging only
d)
Data and voice communications
2.
The Inmarsat two digit code for reporting a vessel’s position e.g. AMVER is
a)
38
b)
43
c)
42
d)
39
3.
Distress messages are sent on Inmarsat – C using the following service
a)
Real time
b)
Voice
c)
Store-and-forward
d)
E-mail
4.
The Inmarsat Special Access Code to be used when requesting Maritime Assistance
is
a)
38
b)
41
c)
32
d)
39
5.
The Inmarsat Special Access Code to be used when sending your ship’s position
report is
a)
41
b)
43
c)
42
d)
39
6.
The Inmarsat Special Access Code to be used to forward a Meteorological Report
is
a)
41
b)
43
c)
42
d)
39
7. Prioritisation
and pre-emption are features of
a)
Inmarsat C
b)
Inmarsat Fleet 55
c)
Inmarsat Fleet 77
d)
Inmarsat B
8.
The service which provides SafetyNET messages is
a)
Cellnet
b)
Internet
c)
EGC
d) FleetNET
9.
The Inmarsat Special Access Code to be used to report a Navigation Hazard is
a)
41
b)
38
c)
42
d)
43
10.
The Inmarsat Special Access Code to be used when requesting Medical Assistance
is
a)
38
b)
39
c)
42
d)
32
11.
The ISDN and MPDS data communications facility is available using
a)
Inmarsat – A
b)
Inmarsat – C
c)
Inmarsat – B
d)
Inmarsat F 77
12.
The Inmarsat Special Access Code to be used when requesting Medical Advice is
a)
32
b)
38
c)
43
d) 42
KEY
ANSWERS:
Satellite Communications
1d 2b 3c 4d 5b 6a 7c 8c 9c 10a 11d 12a
EPIRB and SART
1.
EPIRBs should not be transferred from one vessel to another unless the
a)
EPIRB’s registration details are changed
b)
EPIRB is tested and works satisfactorily.
c)
new ship’s Master agrees and new batteries are fitted
d)
nearest MRCC is notified in writing
2.
An EPIRB
a)
shows survival craft position on radar
b)
gives two-way communication for survival craft use
c)
indicates the position of a Distress incident or survivors
d)
is a ship’s primary method of Distress Alerting
3.
COSPAS-SARSAT EPIRB coverage is
a)
GMDSS sea areas A1, A2, and A3 only
b)
between 70 degrees North and 70 degrees South only
c)
GMDSS sea areas A1, A2, A3 and A4 (global)
d)
GMDSS sea areas A4 only
4.
IMO recommends that, when deploying a Search and Rescue Transponder (SART), it should
be
a)
Inside the life raft, lying on the floor protected from rain
b)
Inside the life raft, upright on the floor protected from rain
c)
placed upright as high as possible above sea level
d)
outside the life raft by towing it behind, floating in the water
5.
The function of a Search and Rescue Transponder (SART) is to
a)
allow Distress Alerting by satellite
b)
indicate the position of a Distress incident/survivors on X-band/3cm/9GHz radar
c)
provide two-way communication for survival craft
d) show
the ID and position of the casualty on a Radar/Electronic navigation System
6.
An EPIRB signal indicates
a)
the position, course and speed of the vessel in distress
b)
that survivors have abandoned ship
c)
that the primary Distress Alerting methods may have failed
d)
the ID and position of the causality on X – band /3cm/9Ghz radar
7.
COSPAS-SARSAT EPIRBs use polar orbiting satellites and
a)
LUTs
b)
RT equipped coast stations
c)
Inmarsat LESs
d)
DSC equipped coast stations
8.
An activated Search and Rescue Transponder (SART) would produce indication
blips on
a)
S-Band radar
b)
Inmarsat Equipment
c)
X-Band Radar
d) DSC Equipment
9.
The function of an AIS-SART is to
a)
allow two-way communication for survival craft
b)
provide a secondary method of Distress alerting
c)
show ID and position of the casualty on Radar/Electronic Navigation System
d)
allow Distress alerting by satellite
10.
function of an EPIRB is to provide
a) a
secondary method of Distress Alerting
b)
the position of survival craft on radar
c) a
primary method of Distress Alerting
d)
two-way communications for survival craft use
11.
During SAR operations, Search and Rescue Transponder (SART) would be triggered
by transmission of
a)
AIS
b)
S-Band radar
c)
X-Band radar
d)
EPIRB
12.
When you are very close to a distress position, the SART signals on the radar
would
a)
change from arcs to circles
b)
change from blips to arcs
c)
change to blips
d)
not change at all
13.
An EPIRB signal indicates…
a)
ID and position of casualty on X-band/3cm/9GHz radar
b)
position, course and speed of vessel in distress
c)
that survivors have abandoned ship
d)
that one or more persons may be in distress, and may have abandoned ship
14.
The equipment that transmits on 406 MHz is
a)
COSPAS-SARSAT EPIRB
b)
VHF EPIRB
c)
GMDSS hand-held Radio
d) SART
KEY
ANSWERS:
EPIRB and SARTs
1a 2c 3c 4c 5b 6c 7a 8c 9c 10a 11c 12a 13d
14a
NAVTEX
1)
MSI can be automatically received by
a)
NAVTEX
b)
DSC
c)
Loran
d)
GPS
2)
Which of the following NAVTEX messages can be deselected
a)
Meteorological warnings
b)
Navigational warning
c)
Search and rescue information
d)
Satnav messages
3)
The international English language Navtex frequency is
a)
198 KHz
b)
500 KHz
c)
490 KHz
d)
518 KHz
4)
When selecting Navtex stations you should select
a)
All stations broadcasting on 518 KHz
b)
Those stations covering the area of your voyage
c)
Only those stations of your vessel’s flag state
d)
All stations broadcasting on 490 KHz
5)
Navtex equipment allows automatic
a)
Reception of MSI
b)
Reception of weather charts
c)
Transmission of weather observations
d)
Transmission of MSI
6)
The Navtex frequency for second language broadcasts is
a)
490 KHz
b)
2182 KHz
c)
518 KHz
d) 2187.5 KHz
KEY
ANSWERS:
Navtex
1a 2d 3d 4b 5a 6a
Radio Propagation
1. Line-of-sight propagation would mainly involve
a)
Navtex communications
b)
SART, EPIRB, Inmarsat communications
c)
Communications of HF
d)
Communications on MF
2. Ground wave propagation is an important feature
of communications on
a)
Ch.16 VHF
b) 2182
kHz
c)
1.6 GHz
d)
8291 kHz
3. The propagation path for MF NAVTEX signals
during daylight is
a)
Direct wave (line of sight)
b)
Relay wave
c)
Ground wave
d)
Sky wave
4. One of the guidelines when choosing an High
Frequency (HF) band for a specific distance is
a)
Use a lower band by day
b)
To have the antenna as high as possible
c)
The greater the distance, the lower the required band
d)
Use a higher band by day
5. The propagation path used by Inmarsat equipment
is
a)
Relay wave
b)
Direct wave (line of sight)
c)
Sky wave
d)
Ground wave
6. The propagation path taken by a radio signal on
VHF Ch.16 is
a)
Sky wave
b)
Direct wave (line of sight)
c)
Ground wave
d)
Inverted wave
7. The propagation path used by satellite EPIRB
equipment is
a)
Direct wave (line of sight)
b)
Ground wave
c)
Sky wave
d)
Relay wave
8. The propagation path used by HF signals, from
the SSB radio, to achieve long distance communications, is
a)
Relay wave
b)
Sky wave
c)
Direct wave (line of sight)
d)
Ground wave
9. The main propagation path for an MF radio
frequency is
a)
Ground wave
b)
Sky wave
c)
Space wave
d)
Direct wave (line of sight)
10. Sky wave propagation is an important feature of
H24 communication on
a)
2187.5 KHz
b)
8414.5 KHz
c)
121.5 MHz
d)
Ch. 70 VHF
11. The communications most affected by antenna
height are
a)
HF
b)
Satellite
c)
MH
d)
VHF
12. The main path of propagation for an 8 MHz radio
frequency is
a)
Ground wave
b)
Troposcatter
c)
Sky wave
d)
Direct wave (line of sight)
13. Communications through the Inmarsat system are
by
a)
Sky wave
b)
Ground wave
c)
Combination of ground wave and sky wave
d)
Space wave
14. The propagation path of signals from a VHF
radio, under normal atmospheric conditions, would be
a)
Direct wave (line of sight)
b)
Sky wave
c)
Relay wave
d)
Ground wave
15. When choosing an HF band for a specific
communication, one of the guideline is
a)
That the range of 2 MHz transmission is greater by day
b)
The greater the distance required, use a lower frequency band
c)
To use a higher frequency band by day
d)
That ducting can increase the range
KEY ANSWERS:
Radio Propagation
1b 2b 3c 4d 5b 6b 7a 8b 9a 10b 11d 12c
13d 14a 15c
Antennas
1. The weak link is included on a safety loop to
provide a
a)
High breaking strain in event of collision / grounding etc
b)
Low resistance path to electromagnetic energy
c)
High resistance path to electromagnetic energy
d)
Low breaking strain in event of collision / grounding etc
2. A safety precaution when working aloft is to
a)
Lock the frequency on 2182 KHz with transmitter on low power and high
b)
Ensure the transmitter is in the standby position only
c)
Disable the transmitter by removing the supply fuses
d)
Ensure the transmission mode is at H3E
3. As a safety precaution when working aloft near a
transmitter antenna, ensure
a)
Transmitter is switched to the standby condition
b)
Antenna insulators are clean and transmitter switched off
c)
Antenna is disconnected from the transmitter and main fuses removed
d)
Transmitter switched off main fuses removed and connect antenna to earth
4. A dipole antenna is usually mounted as high as
possible to
a)
Increase the range of VHF transmissions
b)
Reduce damage from funnel emissions
c)
Improve reception of Navtex broadcasts
d)
Improve satellite synchronization
5. A safety loop is a feature of
a) A
long wire antenna
b) A
direction finding antenna
c)
An active whip antenna
d)
An Inmarsat – B antenna
6. An Inmarsat – C installation uses a
a)
Parabolic dish antenna
b)
Short wire antenna
c)
Omni directional antenna
d)
Directional antenna
7. Insulators on a ship’s antenna system are used
to
a)
Offer a high resistance path to earth for electromagnetic energy
b)
Prevent electric shock to those working on deck
c)
Offer a low resistance path to earth for electromagnetic energy
d)
Allow the antenna to be tuned to several frequencies
8. Inmarsat Fleet 77 uses a
a)
Omni directional antenna
b)
Directional antenna
c)
Whip antenna
d)
Long wire antenna
9. Inmarsat-C satellite equipment
should be fitted with a
a)
Omni directional antenna within a protective dome
b) 6
to 9 meter whip antenna
c)
Unidirectional antenna within a protective dome
d) 1
to 1.5 meter dipole antenna
10. Insulators are included in an antenna system to
provide a
a)
High resistance path to earth
b)
Low resistance path to earth
c)
High breaking strain
d)
Low breaking strain
11. An Inmarsat-B installation uses a
a)
Parabolic dish
b)
1m dipole
c)
Omni directional antenna
d)
Long wire antenna
12. Safety loops are fitted to wire transmitting
antennas to
a) Act
as an essential radiation element of the antenna
b)
Isolate the antenna from earth
c)
Prevent excessive electromagnetic leakage
d)
Prevents the antenna falling in case of increased tension
13. Inmarsat-B/ Fleet 77 equipment would normally
be fitted with a
a)
Yagi antenna
b)
6-9 meter whip and/or a ‘long wire’ antenna
c)
Directional antenna
d)
1-1.5 meter dipole antenna
14. A safety precaution when working aloft near a
transmitter antenna, the antenna should be switched to
a)
Earth as a safety precaution and remove transmitter supply fuses
b)
The transmitter (low power) and tuned to 2187.5 KHz
c)
The transmitter (low power) and tuned to 2182 KHz
d)
The transmitter on standby for testing
15. A suitable antenna for a ship’s VHF radio would
be a
a)
Long wire antenna
b) 1
to 3 meter whip
c)
Loop antenna
d) 6
to 9 meter whip
16. A safety precaution when working aloft near a
transmitter antenna, is to
a)
Ensure the transmitter is in the standby position only
b)
Disable the transmitter by removing the supply fuses
c)
Lock the frequency on 2182 KHz with transmitter on low power and J3H mode
d) Ensure the transmission mode is at H3E
17. A safety precaution when working aloft is to
ensure the transmitter is safe by
a)
Switching to the standby position and selecting low power
b)
Switching to the standby position and earthling the antenna
c)
Connect the antenna and switch to low power
d)
Removing fuses and connecting the antenna to earth
18. A suitable antenna for a ship’s VHF radio would
be a
a)
Backstay
b)
Long wire
c)
Whip
d)
Yagi
19. When operating in ice condition it is important
to
a)
Make frequent test calls
b)
Check for the buildup of ice
c)
Keep warm
d)
Keep the antenna warm
20. A small omnidirectional antenna is used with
a)
Inmarsat –C
b)
Inmarsat – F77
c)
Imarsat –M
d)
Inmarsat –B
21. The safety loops on a long wire antenna
a)
Allows leakage of excess electromagnetic energy to earth
b)
Support the antenna should increased tension cause the antenna to snap
c)
Percent electric shock to those working on deck
d)
Allows the antenna to resonate on several different bands
22. The antenna used by an Inmarsat F77 is
a)
Omni directional
b)
Directional
c)
Whip
d)
Long-wire
23. Insulators are included in an antenna system in
order to provide a
a)
Low electromagnetic resistance path to earth
b)
Low breaking strain
c)
High electromagnetic resistance path to earth
d) High breaking strain
KEY
ANSWERS:
Antennas
1d 2c 3d 4a 5a 6c 7a 8b 9a 10a 11a 12d 13c 14a
15b 16b 17d 18c 19b 20a 21b 22b 23c
AGC, POWER & EMISSIONS
1)
The mode or emission used for voice on MF and HF is
a)
H3E
b)
J3E
c)
A3E
d)
F1B
2)
GMDSS Sea Area A3 is best described as being an area within
a)
70° North – 70 ° South
b)
Continuous global coverage of the COSPAS SARSAT system
c)
70° - 90° North and 70° - 90° South
d)
MF RT range of at least one shore station providing continuous MF DSC alerting
3)
The emission or mode control of an MF/HF transceiver
a)
Reduces the received gain automatically
b)
Allows the type of modulation to be selected
c) Increases
the range of the transmitter
d)
Allows fine tuning of the receiver
4)
The correct mode of emission for a RT distress message on 2182 KHz is
a)
J3E
b)
R3E
c)
H3E
d)
F1B
5)
An Automatic Gain Control adjusts the
a)
Upper or lower sideband
b)
Radio frequency (RF) gain
c)
Fine tuning of the received frequency
d)
Audio frequency (AF) gain
6)
The power level control on a transceiver should be used to select
a)
The correct transceiver transmission frequency
b)
The correct emission mode to maintain communications
c)
Reduce the voltage needed across the radio batteries
d)
The minimum power necessary to maintain communications
7)
One of the advantages of using J3E is
a)
Less current is drawn from the batteries then H3E
b)
The signal is less efficient than R3E
c)
The received signal is clearer than H3E
d)
The signal contains less power than H3E
8)
On an MF transceiver, DUPLEX operation is the use of one
a)
Handset for MF RT and another handset for HF RT
b)
Frequency to transmit and another frequency to receive simultaneously
c)
Control to change RF gain and another control to the AF gain
d) Battery bank to power the transmitter and
another battery bank for the receiver
9) A
common abbreviation for the mode of emission for a RT distress message on 2182 KHz
is
a)
FM
b)
Telex
c)
SSB
d)
AM
10)
On VHF the transmitted power should be reduced to
a)
Give maximum range
b)
Use more battery energy
c)
Minimize interference
d)
Increase the volume of the received signal
11)
A set of ITU RT paired frequencies can be described as
a)
Double sideband
b)
Simplex
c)
Single side band
d)
Duplex
12)
Simplex operation is where one frequency is used for
a)
The up and down link on an Inmarsat phasing signal
b) A
paired frequency ITU Channel
c)
Alternate transmission and reception
d)
DSC Routine and Distress Alerts
13)
Using high or maximum power on an MF transmitter would give a typical range of
a)
Worldwide
b)
50 miles
c)
20 miles
d)
150 miles
14)
The maximum output power of marine VHF is limited to
a)
100 watts
b)
10 watt
c) 50
watt
d)
25 watt
15)
The control which automatically adjusts the Radio Frequency amplification is
called an
a)
Automatic Mode Control
b)
Automatic Frequency Control
c)
Automatic Gain Control
d)
Automatic Volume Control
16)
Ship to ship Safety of Navigation RT communication on Ch. 13 VHF uses a
a)
Simplex Channel
b)
Common calling channel
c)
Duplex channel
d)
Semi-duplex channel
17)
On MF and HF transmitters the emission or mode control
a)
Selects the type of modulation
b)
Adjusts the frequency
c)
Controls the selection of the ITU Channel
d) Adjusts the power output
18)
On a transceiver, DUPLEX operation is the use of one
a)
Antenna to transmit and receive
b)
Control for AF gain and RF gain
c)
Frequency to transmit and a second frequency to receive
d)
Frequency to transmit and receive
19)
On a transceiver, SIMPLEX operation is the
a)
Use of one control for AF and RF Gain
b)
Alternate use of one frequency to transmit or receive
c)
Type of modulation used on 2182 KHz
d)
Use of one frequency to transmit and a second frequency to receive
20)
The emission or mode used for RT (voice) operation on MF is
a)
SSB
b)
DSB
c)
FSK
d)
ISB
21)
The correct mode of emission for a MF Radio telex transmission is
a)
F3E
b)
G3E
c)
F1B
d)
J3E
22)
The correct mode of emission for HF radiotelephony SSB transmission is
a)
J3E
b)
G3E
c)
H3E
d) F3E
KEY
ANSWERS:
AGC, Power & Emissions
1b 2a 3b
4a 5b 6d 7a 8b 9c 10c 11d 12c 13d 14d 15c 16a 17a 18c 19b 20a 21c 22a
DSC Priority / RT Signals
1.
The correct DSC Alert Priority to be used for sending a Distress Alert on
behalf of another vessel is
a)
Urgency
b)
MAYDAY RELAY
c)
Distress
d)
Distress Relay
2.
The correct RT (voice) signal to be used when your own vessel is in grave and
danger is
a)
Urgency
b)
PAN PAN
c)
Distress
d) MAYDAY
3.
The correct DSC Alert Priority to be used when requesting a Medical Evacuation
a)
MAYDAY
b)
Urgency
c)
PAN PAN
d)
Distress
4.
The correct RT (voice) signal to be used when requesting a Medical Evacution
a)
SECURITE
b)
PAN PAN
c)
Safety
d)
Urgency
5.
The correct RT (voice) signal to be used when sending a navigation warning is
a)
PAN PAN
b)
Urgency
c)
Safety
d)
SECURITE
6.
The correct DSC Alert priority to be used to announce a navigation warning is
a)
SECURITE
b)
Safety
c)
Urgency
d)
PAN PAN
7.
The correct RT (voice) signal to be used when sending a Distress Message on
another vessel is
a)
MAYDAY RELAY
b)
PAN PAN
c)
Distress Relay
d)
MAY DAY
8.
The correct DSC Alert priority to be used when your own vessel is in grave an
imminent Danger is
a)
PAN PAN
b)
MAYDAY
c)
Distress
d) Urgency
KEY
ANSWERS:
DSC Priority / R/T Signals
1d 2d 3b 4b 5d 6b 7a 8c
DSC
1.
The correct channel for making Routine DSC Alerts in the VHF band is
a)
Ch. 16
b)
Ch. 70
c)
Ch. 67
d)
Ch. 06
2. A
coast station making a DSC international Routine shore-to –ship alert transmit
on
a)
2177 khz
b)
2187.5 khz
c)
2189.5 khz
d)
2182 khz
3. A
ship makes a Routine manual DSC ship-to-shore alert but receives no response.
It shall repeat
a)
at 2 minutes Intervals
b)
after 2 minutes with the next alert 3 minutes later
c)
after 5 minutes with the next alert 15 minutes later
d)
at 5 minute Intervals
4.
To make a national ship-to-shore DSC Alert, your first choice of MF frequencies
be
a)
ship transmits on 2189.5 khz, and receives on 2177 khz
b)
ship transmits on 2177 khz, and receives on 2177 khz
c)
National paired call and reply DSC frequencies
d)
ship transmits on 2187.5 khz, and receives on 2187.5
5.
Routine DSC Alerts can be made on 2187.5 khz
a)
Between 1700 and 0900 UTC
b)
Between 0900 and 1700 UTC
c)
At NO time
d)
At ANY time
6.
Routine DSC ship-to-ship alerts are permitted on
a)
2187.5 khz
b)
VHF Ch. 70
c)
2189.5 khz
d)
VHF Ch. 16
7.
The use of VHF Ch. 70 is for
a)
Digital Selective Calling (DSC)
b)
Calling by telephony
c)
Narrow band direct printing (NBDP)
d)
NAVTEX broadcasts
8.
An All Ships MF DSC Urgency Alert should be transmitted on
a)
2174.5 khz
b)
2177.0 khz
c)
2187.5 khz
d) 2189.5 khz
9.
To make international DSC Routine Ship to Shore alert the ship transmits on:
a.
2177 Khz
b.
2187.5 Khz
c.
2189.5 Khz
d.
2182 Khz
10.
Routine DSC alerts are permitted on VHF Ch. 70
a.
restricted to between 0900 and 1700 UTC
b.
at NO time
c.
at ANY time
d.
restricted to between 1200 and 0900 UTC
11.
An All Ships MF DSC Safety of Navigation Alert should be transmitted on
a.
2174.6 khz
b.
2187.5 kHz
c.
2189.5 KHz
d.
2177 khz
12.
A VHF DSC All Ships safety Alert should be transmitted on
a.
Ch. 16
b.
Ch. 70
c.
Ch. 06
d.
Ch. 13
13.
When making a Routine DSC ship-to-ship alert on Ch. 70 VHF, the VHF RT working Channel
you would select could be
a.
Ch. 67
b.
Ch. 16
c.
Ch. 06
d.
Ch. 70
14.
An MF DSC All Ships Safety of Navigation alert should be transmitted on
a.
2174.5 khz
b.
2177.0 khz
c.
2189.5 khz
d.
2187.5 khz
15.
VHF Ch. 70 can be used to make DSC
a.
Distress Alerts only
b.
Distress, Urgency, Safety and Routine Alerts
c.
Urgency and Safety Alerts only
d.
Distress and Safety Alerts only
16.
Routine DSC Alerts between ships are permitted on
a.
2187.5 khz
b.
VHF Ch. 70
c.
2189.5 khz
d. VHF Ch. 16
KEY
ANSWERS:
DSC
1b 2a 3c 4a 5c 6b 7a 8c 9c 10c 11b 12b 13a 14d
15b 16b
BATTERIES
1.
The state of charge of a lead-acid battery can be determined by
a.
measuring the temperature of the electrolyte
b.
measuring the specific gravity of the electrolyte
c.
measuring the voltage off load
d.
measuring maximum current under load
2.
Dirty battery terminals my cause
a.
excessive gassing
b. a
decrease in the discharge current when off load
c. a
decrease in the voltage of the battery when on load
d.
an Increase in charging voltage
3. A
lead acid battery may be considered fully discharged if the specific gravity
reads
a.
between 1250 and 1280
b.
1150 or lower
c.
1150 or higher
d.
between 1250 and 1150
4.
When measuring the specific gravity, a fully charged lead acid battery in good
condition is
a.
1150
b.
1080
c.
between 1100 and 1210
d.
between 1250 and 1280
5.
When carrying out battery maintenance petroleum jelly is recommended for
protect
a.
against acid leakage through cell top caps
b.
the battery casing from corrosion
c.
exposed terminals and connectors
d.
hands from acid splashes
6.
The electrolyte of a lead acid battery is
a.
concentrated sulphuric acid
b.
dilute sulphuric acid
c.
dilute hydrochloric acid
d.
concentrated hydrochloric acid
7.
When maintaining lead acid batteries, protective clothing should be worn
because
a.
there is risk of electric shock
b.
the battery compartment may be in a dangerous location
c. volatile gasses may be emitted
d. corrosive electrolyte is used
8.
It is important to ventilate a ship’s battery locker to
a.
allow oxygen into the locker to assist charging
b.
prevent sulphation on the terminals
c.
keep the cell tops dry
d.
reduce the risk of explosion
9.
The specific gravity of a lead acid battery is checked with
a. a
millimeter
b. a
hydrometer
c.
an ammeter
d. a galvanometer
KEY
ANSWERS:
Batteries
11b 2c 3b 4d 5c 6b 7d 8d 9b
GENERAL
1.
Identify the call sign that represents a ship’s survival craft
a)
GABC 232123456
b)
GABC IIfeboat
c)
GABC
d)
GABC 32
2.
According to international regulations VHF Ch. 06 may be used for
a)
On board communications
b)
Routine DSC alerting
c)
Ship to shore communications
d)
Ship to aircraft engaged in SAR operations
3.
The correct format for ongoing “on-board “communications between substation and
bridge is
a)
SEAQUEST BRIDGE this is SEAQUEST TWO
b)
BRAVO this is SEAQUEST CONTROL
c)
SEAQUEST BRIDGE (×3) from SEAQUEST AFT (×3)
d)
SEAQUEST CONRTOL (×3) this is SEAQUEST BRAVO (×3)
4.
The message type with the highest priority is
a)
Request for berthing instructions
b)
Radio Telex Letter (RTL)
c)
Telephone call to owners
d)
Gale warning
5.
The information that must be included in a test transmission is the
a)
vessel’s position
b)
Vessel’s nationally
c)
GOC operator’s ID
d)
Vessel’s ID
6.
in the terrestrial radio service, the category, message with the highest
priority
a)
Message to agent on ship’s business
b)
Weather observation
c)
Master’s report to an agency
d)
Telephone call to ship’s owners
7.
In the event of a Distress situation, the transmission Alert and is authorized
by
a)
The Master or person in charge of the vessel
b)
The Chief Engineer or person in charge of the engine room
c)
The person responsible for equipment maintenance
d)
The GMDSS Operator
8.
VHF Ch. 13 should be used for
a)
bridge to bridge Safety of Navigaton
b)
DSC Safety alerting
c)
Routine inter-ship communication
d) Search and rescue communication
9.
After using DSC to set up Routine RT communications between a ship and a coast station,
the control station is
a)
The coast station
b)
Any coastguard station
c)
The nearest MRCC
d)
The nearest ship in the vicinity
10.
If a coast station asks for your AAIC, you should give your
a)
Accounting code
b)
Credit card number
c)
Gold Franc exchange rate
d)
Standard drawing right (SDR)
11.
During Routine inter-ship RT communications, the controlling station is
a)
Nearest coast station
b)
Called station
c)
Nearest MRCC
d)
Calling station
12.
Identify the recommended RT procedure for inter-ship calling
a)
ROWENTA (×3) this is CAPRUN (×3)
b)
ROWENTA (×3) this is CAPRUN (×1)
c)
ROWENTA (×2) this is CAPRUN (×3)
b)
ROWENTA (×3) this is CAPRUN (×2)
13.
To maintain serviceability and availability of GMDSS equipment on board ship
means
a) A
qualified maintainer is carried on board the ship
b)
The ship’s GMDSS GOC operator is responsible for maintenance
c) A
recognized shore based company is responsible for maintenance
d)
The ship’s GMDSS equipment is duplicated
14.
In Routine VHF RT communications between two ships, the controlling station to
be the
a)
Ship station which initiates the call
b)
Ship station that has been called
c)
Nearest coast station
d)
Ship with the highest priority of traffic
15.
When conducting on-board VHF communications, an operator should use
a)
Ch.72 or Ch.77
b)
Ch.16 or Ch.13
c)
Ch.15 or Ch.17
d)
Ch.25 or Ch.27
16.
The correct format for ongoing “on-board” communications is
a)
BRAVO this is CONTROL
b)
MATARAS BRIDGE (×3) this is MATARAS TWO (×3)
c)
MATARAS BRIDGE (×3) this is MATARAS AFT (×3)
d) MATARAS
CONTROL (×3) this is MATARAS BRAVO (×3)
17.
Communication forbidden on port Operations service are
a)
the movement and safety of vessels
b)
the safety of person and persons in an emergency
c)
public correspondence
d) the operational handling of vessels
8.
The service that provides SafetyNET messages is
a)
RCC
b)
Internet
c)
EGC
d)
Cellnet
19.
The VHF RT channel to be used for inter-ship Safety of Navigation is
a)
Ch. 13
b)
Ch. 70
c)
Ch. 06
d)
Ch. 16
20.
The primary VHF RT channel for Routine inter-ship working is
a)
Ch. 13
b)
Ch. 06
c)
Ch. 12
d)
Ch. 16
21.
With respect to Distress communications the MAIN function of the On Scence Co-ordinator
(OSC) is to
a)
Maintain communications with all Search and Rescue (SAR) facilities
b)
Deploy a SART to assist in homing
c)
Fix the position of the casualty using an EPIRB
d)
Recover and switch off the EPIRB
22.
According to international regulations, VHF Ch. 06 may be used for
a)
ship to aircraft engaged in SAR operations
b)
ship to shore communications
c)
bridge-to bridge Safety of Navigation
d)
On board communications
23.
When reliable RT communication is practicable on VHF RT, the recommended
a)
BRANDY (×1) this is MAROC PRINCE (×2)
b)
BRANDY (×2) this is MAROC PRINCE (×3)
c)
BRANDY (×1) this is MAROC PRINCE (×3)
d)
BRANDY (×3) this is MAROC PRINCE (×3)
24.
When conducting on-board VHF communications, an operator may us
a)
Ch. 15 or 17
b)
Ch. 13 or 6
c)
Ch. 12 or 13
d)
Ch. 16 or 6
25.
In the terrestrial radio service, the category with the highest priority is a
a) Weather
report
b)
Master’s message
c) Medical
message
d) Navigational
warning
26.
The time entered in the GMDSS radio logbook should be
a) Ship’s
time
b) Zone
time
c)
UTC
d) Local time
27.
Your vessel “MENDI” is being called, but you are unsure of the identity of the
station. you must
a)
wait two minutes, then reply using, “Station calling MENDI, repeat your call
b)
wait one minutes, then reply using, All stations who is calling MENDI?
c)
reply Immediately using, “Station calling MENDI, repeat your call”
d)
wait for the call to be repeated
28.
Routine RT inter-ship VHF messages may be passed on
a)
Ch. 08
b)
Ch. 13
c)
Ch. 16
d)
Ch. 70.
29.
In the terrestrial radio services, the category with the highest priority is
a)
Inmarsat-C message to the owners
b)
request for berthing instructions
c)
RT call to pilot
d)
gale warning
30.
Generally, communications on the port Operations Service are restricted to
a)
Maritime Safety Information broadcasts only
b)
RT public correspondence only
c)
operational handling and movement of ships only
d)
inter-ship correspondence (bridge to bridge communications) only
31.
The primary function of an MRCC within GMDSS is to provide a
a)
communication control function within the COSPAS-SARSAT system
b)
public correspondence service to ships
c)
network coordination role for all LES’s within the Inmarsat system
d)
coordination role for search and rescue operation
32.
A station causing interference with RT communications between another ship
Station
shall
a)
Request the mobile station to cease transmission
b)
Change the mode of emission being used
c)
Cease transmission on the first request by the coast station
d)
Reduce transmitter power
33.
Communication allowed on the port Operations Service are those related to the
a)
Operational handling of ships and the movement and safety of ships only
b)
Operational handling of ships only
c)
Operational handling of ships and the movement and safety of ships and
emergency
the safety of persons
d) Movement and safety of ships only
KEY
ANSWERS:
General
1d 2d 3d 4d 5d 6b 7a 8a 9a 10a 11b 12a 13d 14b
15c 16d 17c 18c 19a 20c 21a 22a 23c 24a 25c 26c 27c 28a 29d 30c 31d 32c
33c
EQUIPMENTS TESTS
1.
When an external MF DSC test is carried out, a fault condition is displayed on
the transmitter. Immediate action should be taken to
a.
carry out an Internal DSC test as per the operational manual.
b.
consult the fault finding gulde in the operation manual
c.
check the location of MF transmitter fuses in the operational manual
d.
Isolate the antenna and retest
2.
When making RT test signals for transmitter adjustment, the call should include
a.
the position of the station making the test
b.
an Indication of the mode of emission being used
c.
the Identification of the station making the test
d.
an Indication of the frequency to be used
3.
The battery voltage of the GMDSS radio installation should be checked
a.
monthly
b.
daily
c.
at start of voyage only
d.
weekly
4.
EPIRB should be checked and tested
a.
daily
b.
monthly
c.
annually
d.
weekly
5.
An on-load test of the radio batteries can be done by operating the transmitter
on full
power
and with the battery charger
a.
off while observing the battery voltmeter
b.
off while observing the discharge current
c.
on while observing the discharge current
d.
on while observing the battery voltmeter
6.
MF DSC equipment should be tested
a.
monthly, by means provided by the equipment
b.
weekly, by means of an Internal test
c.
weekly, by contacting a coast station
d.
monthly, by contacting a coast station
7.
At least once per month a test should be carried out to check
a.
that each printer has an adequate supply of paper
b.
the reserve source of energy, when it is not a battery
c.
the correct functioning of the NAVTEX receiver
d.
each SART for signs of damage
8.
DSC equipment operation on VHF Ch. 70 should be tested
a.
weekly by means of a test call with a coast station
b.
weekly by means of an Internal test
c.
dally by means of an Internal test
d. dally by means of a test call with a coast
station
9.
The print out of a Navtex self test shows a signal test pass but a noise test
fail, then immediate action should be taken to
a.
check the amplifier fuses
b.
consult the fault finding guide In the operation manual
c.
check that the receiver is set up to receive the correct message types
d.
check receiver is set up to receiver station for your area
10.Which
of the following equipment should be tested at least once a week
a.
reserve source of energy if it is not a battery
b.
each printer for adequate paper
c.
SART, EPIRB and handheld VHF sets
d.
operation of 2182 kHz receiver
11.
A full specific gravity check of a lead acid battery should be carried out
a.
once per International voyage
b.
monthly
c.
weekly
d.
daily
12.
Which of the following equipment should be tested at least once a month and
details entered in radio log
a.
NAVTEX
b.
SART, EPIRB and handheld VHF sets
c.
each printer for adequate paper
d.
reserve source of energy if not a battery
13.
The following equipment should be tested at least once a month
a.
reserve source of energy if it is not a battery
b.
SART, EPIRB and handheld VHF sets
c.
operation of 2182 khz receiver
d.
each printer for adequate paper
14.
EPIRBs should be tested without using the satellite system at intervals not to exceed
once a
a.
day
b.
year
c.
month
d. week
KEY
ANSWERS:
Equipment Tests
1a 2c 3b 4b 5a 6c 7d 8c 9b 10a 11b 12b 13b
14c
VERY USEFUL FOR STUDENT ASSESSMENT
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