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Subel. F
A
60 questions
B
72 questions
C
60 questions
D
24 questions
E
24 questions
F
36 questions
G
24 questions
6 questions
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43
44
45
46
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Subelement F
Other Equipment and Networks:
Section 44
Local Area Networks- NMEA-2000:
44F1
The Voltage of the NMEA 2000 backbone power supply pair must be maintained to within the following range.
A.
0 to 5 volts
Correct Answer
B.
9
to
16
volts
C.
10.5 to 13.6 volts
D.
12 to 24 volts
44F1
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44F2
NMEA 2000 Certified Device identify their current requirements in terms of LENs (load Equivalent Number). 1 LEN is equal to:
A.
1 Amp
B.
500 mA
Correct Answer
C.
50
mA
D.
25 mA
44F2
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44F3
Which of the following are NOT components of a NMEA 2000 network?
A.
Tees, Drop Cables and terminating Resistors.
B.
Tees, Backbone Cables, Power Cables.
C.
Termination Resistors, Power Cables, Backbone Cables.
Correct Answer
D.
Multiplexers
,
Combiners
,
Routers
.
44F3
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44F4
The NMEA 2000 backbone operating speed is:
Correct Answer
A.
250
bps
B.
500 bps
C.
1500 bps
D.
2000 bps
44F4
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44F5
When viewing NMEA 2000 data you must use the following.
A.
Voltmeter
B.
Converter
C.
HyperTerminal
Correct Answer
D.
Gateway
44F5
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44F6
What is the maximum length for a drop cable to a single NMEA 2000 device?
Correct Answer
A.
6
meters
B.
12 meters
C.
18 meters
D.
24 meters
44F6
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