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In communications 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. - Answer✅✅c) 30 - 300 MHz.
Express 2.182 MHz in kilohertz (kHz).
a) 2182 kHz.
b) 21.82 kHz.
c) 2.182 kHz.
d) 218.2 kHz. - Answer✅✅a) 2182 kHz.
What is the typical range 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. - Answer✅✅d) All of the above.
What is a most important 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. - Answer✅✅b) Line of sight.
What is the difference 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. - Answer✅✅d) Both a and b
Skip is most often found within what range of frequencies? (page 5)
a) 156 - 162 MHz
b) VLF frequencies
c) 2 to 30 MHz
d) 3 to 30 GHz - Answer✅✅c) 2 to 30 MHz
What is the SSB Distress and Calling frequency?
a) 2182 kHz
b) Channel 16
c) 156.8 MHz
d) Channel 13 - Answer✅✅a) 2182 kHz
What is the VHF-FM marine calling and distress frequency?
a) 2182 kHz
b) Channel 16
c) 156.60 MHz
d) Channel 13 - Answer✅✅b) Channel 16
The bridge tender will likely be listening on what channel?
a) Channel 16.
b) Channel 09.
c) Channel 12.
d) Channel 13. - Answer✅✅d) Channel 13.
, After calling a 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. - Answer✅✅d) All of the above.
Why is Class D Citizens 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. - Answer✅✅d) All the above.
What is a radio repeater?
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. - Answer✅✅d) All of the above.
List the three basic communication functions of the marine radiotelephone system
in priority order.
a) Safety, Operational, Business.
b) Operational, Safety, Business.
c) Business, Safety, Operational.
d) Business, Operational, Safety. - Answer✅✅a) Safety, Operational, Business.
What are the major components of a radio station?
a) Radio equipment, feed line, antenna.
b) Power supply, radio equipment, antenna.
c) Power supply, feed line, antenna.
d) Power supply, radio equipment, feed line. - Answer✅✅b) Power supply, radio
equipment, antenna.
Lightning protection should be used with what type of antennas?
a) All types of antennas.
b) Only beam antennas.
c) Onlyvertical antennas.
d) Only horizontal antennas. - Answer✅✅a) All types of antennas.
What are some of the precautions that should be taken when erecting an antenna.
Questions with 100% Correct Clear
Answers| All Graded A+|100%
Guaranteed Success|Latest
Premium Update.
In communications 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. - Answer✅✅c) 30 - 300 MHz.
Express 2.182 MHz in kilohertz (kHz).
a) 2182 kHz.
b) 21.82 kHz.
c) 2.182 kHz.
d) 218.2 kHz. - Answer✅✅a) 2182 kHz.
What is the typical range 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. - Answer✅✅d) All of the above.
What is a most important 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. - Answer✅✅b) Line of sight.
What is the difference 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. - Answer✅✅d) Both a and b
Skip is most often found within what range of frequencies? (page 5)
a) 156 - 162 MHz
b) VLF frequencies
c) 2 to 30 MHz
d) 3 to 30 GHz - Answer✅✅c) 2 to 30 MHz
What is the SSB Distress and Calling frequency?
a) 2182 kHz
b) Channel 16
c) 156.8 MHz
d) Channel 13 - Answer✅✅a) 2182 kHz
What is the VHF-FM marine calling and distress frequency?
a) 2182 kHz
b) Channel 16
c) 156.60 MHz
d) Channel 13 - Answer✅✅b) Channel 16
The bridge tender will likely be listening on what channel?
a) Channel 16.
b) Channel 09.
c) Channel 12.
d) Channel 13. - Answer✅✅d) Channel 13.
, After calling a 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. - Answer✅✅d) All of the above.
Why is Class D Citizens 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. - Answer✅✅d) All the above.
What is a radio repeater?
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. - Answer✅✅d) All of the above.
List the three basic communication functions of the marine radiotelephone system
in priority order.
a) Safety, Operational, Business.
b) Operational, Safety, Business.
c) Business, Safety, Operational.
d) Business, Operational, Safety. - Answer✅✅a) Safety, Operational, Business.
What are the major components of a radio station?
a) Radio equipment, feed line, antenna.
b) Power supply, radio equipment, antenna.
c) Power supply, feed line, antenna.
d) Power supply, radio equipment, feed line. - Answer✅✅b) Power supply, radio
equipment, antenna.
Lightning protection should be used with what type of antennas?
a) All types of antennas.
b) Only beam antennas.
c) Onlyvertical antennas.
d) Only horizontal antennas. - Answer✅✅a) All types of antennas.
What are some of the precautions that should be taken when erecting an antenna.
