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Subel. G
A
60 questions
B
72 questions
C
60 questions
D
24 questions
E
24 questions
F
36 questions
G
24 questions
6 questions
47
48
49
50
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47
48
49
50
Subelement G
Inspections, Installations and Instruments:
Section 47
Equipment Installation:
47G1
What is the best method for grounding an Inmarsat-C terminal?
A.
Number 10 copper wire between terminal and the ship/s steel hull.
B.
A good ground at the antenna is sufficient.
Correct Answer
C.
Copper strap
brazed
to the steel terminal and ship's steel hull.
D.
An aluminum strap bolted to both the steel terminal and ship's steel hull.
47G1
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47G2
What is the most important consideration for installing a Full-Duplex VHF radiotelephone.
A.
Maximum separation between the transmitter and receiver.
B.
Minimum separation between transmitting antennas.
C.
Maximum separation between transmitting antennas.
Correct Answer
D.
Maximum separation between transmitting antenna and the
duplex
receiver antenna.
47G2
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47G3
What is the most important factor when locating depth finder transducers?
Correct Answer
A.
In an
area
not
subject
to
cavitation
.
B.
They must be equidistant from the bow and the stern.
C.
They must be on the centerline of the ship.
D.
They should be as close to the bow as possible.
47G3
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47G4
Bridge equipment separation recommendations generally refer to what instrument?
A.
GPS
Correct Answer
B.
Magnetic
compass
C.
ECDIS
D.
Auto Pilot
47G4
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47G5
When installing an Inmarsat-C antenna what should be the minimum distance to other Inmarsat antennas?
A.
4 meters
Correct Answer
B.
8
meters
C.
10 meters
D.
12 meters
47G5
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47G6
What action must be taken after an Inmarsat-C system is fully installed?
A.
Advise the nearest RCC that your terminal is active.
B.
Send a distress alert and then cancel it.
Correct Answer
C.
Your
Inmarsat
Mobile
Number
must
be
entered
in the terminal.
D.
Send a brief test message to your own terminal.
47G6
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