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Sending a message on several frequencies at once is an example of which of the following transmission types?
Frequency Diversity
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What type of diversity uses physically separated transmit and receive antennas to improve communications?
Space
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Communications links have many modes of operation. One terminal in a link has its equipment setup in simplex. The other terminal is using two channels or frequencies in a configuration that allows sending and receiving of different messages at the time. These two terminals working together make up what mode of operation?
Semiduplex
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A transmitted electromagnetic wave enters an antenna, induces a voltage into it, and passes that voltage to a receiver. What is this chain of events called?
Reception
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When a receiver picks one frequency out from all other frequencies, it’s performing which of the following basic functions?
Selection
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When a receiver separates the audio frequencies from the radio-frequency carrier it is performing which of the following basic functions?
Detection
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The receiver action of converting electrical energy to a usable format, such as sound, is an example of which of the following basic functions?
Reproduction
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Which of the following measurements provides an indication of the ability of a receiver to reproduce weak signals?
Sensitivity
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Overall sensitivity of a receiver is limited by which of the following factors?
Noise
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How is a receiver’s ability to reject unwanted signals and receive desired signals determined?
Selectivity
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The IF in a receiver is produced by which of the following methods?
Heterodying
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The process of heterodyning takes place in which of the following receiver circuits?
Mixer
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The process of simultaneous transmission of several intelligible signals on the same frequency during the same period of time is called?
Multiplexing
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Which of the following categories of electromagnetic interference includes interference generated by electrically charged raindrops?
Natural
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Which of the following methods of reducing rf burn hazards is the most useful and widespread technique used?
Bond and ground all metallic objects
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The greatest hazard from thermal effects appears to come from equipment operated in which of the following frequency ranges?
1 to 3 gigahertz
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You have been working on a piece of equipment and your eyes have been exposed to high-intensity microwaves. Which of the following types of eye problems may occur?
Cataracts
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In a line of sight communications system, propagation is affected by which of the following layers of the atmosphere?
Troposhere
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Who was awarded both the medal of honor and gold life saving medal?
Marcus Hanna, he served at Cape Elizabeth Light
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What is the reference for CSMP’s?
NAVENG 9000.6D
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In what war did the Eagle re-capture 2 American vessels?
The Quasi-war, the vessels were the Nacny and Mehitable
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What is not a factor on control/multiconductor cable?
Impedance
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How often is portable test equipment checked?
Quarterly
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Category B Navy FBR’s should be mailed to?
FTSC
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Tie wraps on a cable bundle are how far apart?
2.5 times the diameter no more than 10 inches apart
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What reference is used for inspecting a workbench?
NEC
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What should the resistance be between the metal case and ground on a power tool?
1 ohm
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A workbench breaker is rated at how many amps?
20 amps
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What are shorting probes rated for?
25,000 volts
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How are cables run on a cutter for battle damage reasons?
Inside frames and along cable trays
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How often are direction finders calibrated?
Every 12 months
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What determines the weekly PMS schedule?
The quarterly
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What are the different cable classifications?
Passive, Active, and Susceptible
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A direction finder must be re-calibrated if it is off by how many degrees?
3
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How long can someone work inside the PEL while a miniloop antenna is energized?
6 minutes
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Multiconductor cable is bad when measured less than how many ohms between conductors?
50,000 ohms
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Guy wire turnbuckle should have a what through it?
A safety wire
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When megging an antenna what is a good reading?
200 mega ohms
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Easiest way to get a better ground?
Drive rod deeper
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High voltage signs need to be posted when voltages are over?
500 volts
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What spacing is required between active, passive and susceptible cables?
18 inches between active and passive and 2 inches between susceptible and passive
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How close can you be to electronics with jewelry on?
4 feet
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How often is the lightning protection subsystem to be inspected?
Annually
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Navy preventative maintenance card that tells you specifically how to do something?
Maintenance Requirement card
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What type of field change furnishes documentation only?
Type 2
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A general court martial consist of?
A judge and at least 5 members
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What is the advice code for an XB turn in items?
5A
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Who received the Navy Cross at the battle of Guadalcanal?
Raymond J. Evans
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Where do allowance change requests go to?
MLC
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Who was the first MCPOCG?
Charles Calhoun
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How long does it take a radar pulse to travel one mile (back and fourth)?
12.36 micro seconds
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In what year where paygrades E-8 and E-9 created?
1958
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How do you address and O-8 in the Army, Air Force, or Marines?
Major General
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How long are CSMP’s kept?
3 years
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Ida Lewis was the caretaker of what lighthouse?
Lime Rock in Rhode Island for 39 years
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What form number is allowance change request?
CG 5323
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A single building with multiple power sources is grounded how?
All grounded conductors shall be grounded at the first service disconnect means of each source
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What antennas are operated with one end grounded?
Marconi
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Who maintains CSMP’s on cutters?
EO/EPO
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To make changes to a CASREP what do you do?
Send a CASUPDATE
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What type of field change furnishes documentation, parts, and special tools required to complete a change?
Type 1
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The first chiefs were?
Former life saving station keepers
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What type of field change implements changes to technical documentation only and requires no alteration to the equipment?
Type 4
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Who should do test equipment audits?
MLC
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Fire control tracking radar usually produces what type of beam?
Narrow and Circular
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What type of servo has a feedback loop?
Closed loop
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Seams in floor matting will be sealed at a minimum with?
4” wide 3M electrical insulating tape
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What form is used to order publications?
CG 4428
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How many directorates are there?
11
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How many units work directly for headquarters?
33/35
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Where is the CG ensign flown at shore facilities?
On the starboard yardarm
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What command can display all Battle Streamers?
Headquarters
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What service doesn’t have CWO?
Air Force
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