AUXCOM 2025|Actual Exam Test(MULTIPLE
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In communications c) 30 - 300 MHz.
nomenclature, the band
named "very high
frequency" covers what
frequency range?
a) 3 - 30 Hz
b) 30 - 300 kHz.
c) 30 - 300 MHz.
d) 3 - 300 MHz.
Express 2.182 MHz in a) 2182 kHz.
kilohertz (kHz).
a) 2182 kHz.
b) 21.82 kHz.
c) 2.182 kHz.
d) 218.2 kHz.
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What is the typical range d) All of the above.
of VHF-FM radio
communications? (page
5)(page 15)
a) Up to 25 miles,
depending on antenna
height.
b) Line of sight.
c) Handhelds, 1 - 2 miles.
d) All of the above.
What is a most important b) Line of sight.
characteristic of the VHF-
FM frequencies?
a) Free of interference
and static.
b) Line of sight.
c) Only specific
frequencies permitted.
d) All the above.
What is the difference d) Both a and b
between Simplex and
Duplex circuits?
a) Simplex circuits use
one frequency for both
send and receive.
b) Duplex circuits have
separate send and
receive frequencies.
c) There is no difference.
d) Both a and b.
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Skip is most often found c) 2 to 30 MHz
within what range of
frequencies? (page 5)
a) 156 - 162 MHz
b) VLF frequencies
c) 2 to 30 MHz
d) 3 to 30 GHz
What is the SSB Distress a) 2182 kHz
and Calling frequency?
a) 2182 kHz
b) Channel 16
c) 156.8 MHz
d) Channel 13
What is the VHF-FM b) Channel 16
marine calling and
distress frequency?
a) 2182 kHz
b) Channel 16
c) 156.60 MHz
d) Channel 13
The bridge tender will d) Channel 13.
likely be listening on
what channel?
a) Channel 16.
b) Channel 09.
c) Channel 12.
d) Channel 13.
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After calling a d) All of the above.
commercial vessel on
Channel 16, what are
some of the working
channels you could
switch to?
a) Channel 68.
b) Channel 69.
c) Channel 71.
d) All of the above.
Why is Class D Citizens d) All the above.
Band unreliable for
boaters?
a) No radio watch
maintained.
b) No broadcast of
emergency information.
c) No communication
with Coast Guard.
d) All the above.
What is a radio repeater? d) All of the above.
a) A radio station that
receives on one
frequency and
retransmits on another
frequency.
b) A radio station that can
be a relay.
c) A radio station that can
extend the
communications range.
d) All of the above.
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