Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/33

Click to flip

33 Cards in this Set

  • Front
  • Back
TACAN operates in bands, modes, and conditions in the A/A. Which of the
following is a list of TACAN
operating bands, modes, and
conditions for using the A/A
function?
i. VHF, X-pulse mode, and 67
channel separation
2. UHF, X or Y pulse modes, and 63 channel separation
3. UHF, Y-pulse mode, and channel 4
on both aircraft
UHF, X or Y pulse modes, and 63 channel separation
What navigation system uses sky waves and overcomes the loss in position accuracy?
1. TACAN
2. Loran
3. Omega
4. Doppler
Omega
What component of a navigational computer system uses loran, TACAN,
and Doppler as possible inputs?
1. Data-gathering units
2. Computer units
3. Navigational panels
4. Navigational indicators
Data-gathering units
What component of a navigational computer system lets the navigator
switch from one mode of operation to another?
1. Navigation panels
2. Computer units
3. Data gathering units
4. Repeater display units
Navigation panels
To which of the following NEETS modules should you refer for information on radio-frequency
communications principles?
1. 1
2. 9
3. 17
4. 22
17
What modulation system includes FSK and PM?
1. Amplitude modulation
2. Frequency modulation
3. Continuous-wave modulation
4. Angle modulation
Angle modulation
What type of system operates between 225.0 MHz and 399.9 MHz?
1. HF
2. UHF FM
3. UHF RM
4. VHF
UHF
Of the following antennas, which one produces high gain and has excellent
directivity?
1. Parabolic
2. Helical
3. Flat-spiral
4. Log periodic
Parabolic
1. Designed to jam communications, navigation, and radar receivers
2. Transmits high power noise over a given band of frequencies
3. An ECM jammer can protect a group of aircraft over a large area
4. All of the above
All of the above
Which of the following is the
definition of the term ballistics?
1. The science of the motion of a weapon system
2. The study of all the various forces that govern the movement of projectiles
3. The curve a projectile describes as it travels to the target
4. The science of trajectories
The study of all the various forces that govern the movement of projectiles
You can detect an object Under the water from the air. Which of the
following is the reason for your ability to do this?
1. Any magnetic property that
distorts the earth’s magnetic
field
2. Compensation of magnetic noise
3. Radar theory
4. Disturbance in the wave motion
Any magnetic property that
distorts the earth’s magnetic
field
Into which of the following groups can sonobuoys be categorized?
1. Passive
2. Active
3. Special purpose
4. All of the above
All of the above
The operation of which of the
following sonobuoys allows it to operate silently until it is commanded to radiate sound?
1. RO
2. CASS
3. BT
4. SAR
CASS
Which of the following modes of operation are associated with the DIFAR system?
1. Range
2. Omnisearch
3. ALI-LOFAR
4. All of the above
Range
What is the basic power source of an electrical system in an aircraft?
1. Generator
2. Ram-air turbine
3. Rectifier
4. Engine
Engine
What device is inserted between the engine and the ac generator to provide a constant speed to the
generator?
1. CSD unit
2. Governor
3. Rectifier
4. Dynamotor
CSD unit
In most modern aircraft, what type of power is produced by the main
electrical power generation system?
1. Three-phase ac power at 60 Hz
2. Three-phase ac power at 400 Hz
3. DC power only
4. DC and ac power
Three-phase ac power at 400 Hz
Which of the following publications contains a discussion of transformer rectifier units for each applicable aircraft?
1. MIM
2. NAMP
3. MTIP
4. TRAMAN
MIM
Which of the following devices is used to convert low-voltage dc to ac?
1. Frequency-change
2. Rectifier
3. Amplifier
4. Inverter
Inverter
Which of the following devices protects the aircraft’s electrical
system from damage and failure?
1. Fuse
2. Current limiter
3. Circuit breaker
4. Each of the above
Each of the above
What device(s) is/are used to
control and distribute power in an electrical system?
1. Fuse
2. Switches only
3. Relays only
4. Switches and relays
Switches and relays
Which of the following conditions will cause a fuse to open?
1. Excessive resistance
2. Excessive current
3. Excessive voltage
4. Excessive wattage
Excessive current
If the following fuses were rated the same, which one would have the smallest thermal inertia?
1. Slow-acting
2. Slow-blowing
3. Fast-acting
4. Time-delay
Fast-acting
When possible, a fuse should be operated at what percentage of its rated value?
1. 75%
2. 85%
3. 95%
4. 100%
75%
What type of fuse contains a
compound spring and link structure?
1. Fast-acting
2. Medium-acting
3. Vibration-resistant
4. Slow-acting
Vibration-resistant
What is the most common class of fuse holder used by the Navy?
1. Indicating
2. Nonindicating
3. Splashproof
4. Post-type
Post-type
Circuit breakers are rated in which of the following units of measurement?
1. Watts and amperes
2. Resistance and amperes
3. Watts and volts
4. Amperes and volts
Amperes and volts
What are the three basic types of circuit breakers?
1. Thermal, magnetic, thermomagnetic
2. Thermal, magnetic, trip-free
3. Trip-free, nontrip-free, toggle
4. Magnetic, toggle, disk
Thermal, magnetic, thermomagnetic
When there is a loss of generator power, what is the primary purpose of
an aircraft battery?
1. To start the engines
2. To operate specific instruments and radios
3. To maintain power for the
controls
4. To apply power to the emergency
warning systems
To operate specific instruments and radios
Running aircraft engines to provide electrical power is poor practice for which of the following reasons?
1. The danger to personnel from turning propellers
2. The danger to personnel from jet intakes and exhaust blast
3. The expense of operating highpowered engines
4. Each of the above
Each of the above
What prefix identifies a piece of SE that gives ac output power only?
1. NA
2. NB
3. NC
4. ND
NB
The mobile motor-generator set has which of the following characteristics?
1. Requires an external source of electrical power
2. Operates only on diesel fuel
3. Is used only on jet aircraft
4. Operates only with the NC-2A
Requires an external source of electrical power
The flight-line electrical
distribution system (FLEDS) receives electrical power from what source?
1. Deckedge power system, flight deck
2. Deckedge power system, hangar deck
3. Mobile electrical power plant
4. Underground power lines
Mobile electrical power plant