1.
In a pulse-modulation radar system. the pulse repetition frequency is the number of pulses
A. 
That are received within 1 second
B. 
That are transmitted within 1 second
C. 
That strike the target within 1 second
2.
Which component in a pulse-modulation radar set provides the voltages that operate the other radar components?
3.
Which component in a pulse-modulation radar system shapes the radio-frequency energy into a narrow beam?
4.
What is produced in the pulse-modulation radar system by heterodyning?
5.
The screen display on newer types of pulse modulation radar indicator is called
6.
In a frequency-shift radar system, the doppler principle makes it possible to instantaneously sense and measure
A. 
Altitude and ground track
B. 
Target elevation and speed
C. 
Ground speed and drift angle
7.
In a frequency-shift radar system, what is the relationship between a transmitter/receiver and an aircraft when no frequency shift between them can be measured?
A. 
They are a constant distance away form each other
B. 
The aircraft is not reflection any of the radar pulses
C. 
The aircraft is flying away from the transmitter/receiver
8.
In a frequecny-shift radar system, what is the relationship between a transmitter/receiver and an aircraft when the received frequency is higher than the transmitted frequency?
A. 
The aircraft is not reflecting any of the radar-pulses
B. 
The aircraft is flying towards the transmitter receiver
C. 
The aircraft is flying away from the transmitter receiver
9.
In a frequency-shift radar system, what is the relationship between a transmitter/receiver and an aircraft when the received frequency is lower than the transmitted frequency?
A. 
The aircraft is not reflecting any of the RDR pulses
B. 
The aircraft is flying towards the RT
C. 
The aircraft is flying away from the RT
10.
The dimensions of a wave guide determine the wave guide's
A. 
Frequency and phase shift and powerloss
B. 
Frequency and power-handling capabilities
C. 
Voltage standing wave ration and power-handling ability
11.
The voltage standing-wave ration is determined by comparing the radars's
A. 
Reflected power to the TX power
B. 
Reflected power to the receiver's sensitivity
C. 
Transmitter power to the receiver's sensitivity
12.
What radar set component provides stabilized pitch and roll reference data for control of antenna orientation, despite changes in aircraft attitude?
13.
Which radar set line replaceable unit performs highly accurate electronic beam steering?
14.
The part of the radar sets low observable antenna that is addressed to steer the radio-frequency beam is the
A. 
B. 
Radio-frequency roll resolver
C. 
Radio-frequency quadrant manifolds
15.
To which item does the radar sets dual-channel beam steering controller selectively send digital phasing and polarization commands?
A. 
B. 
Roll electronics assembly
C. 
Roll resolver power supply
16.
The purpose of the keyed automatic gain control gate while the radar altimeter is in track mode is to
A. 
Encompass and lock-on to the return video pulses
B. 
Be timed to overlap return pulse leading edge
C. 
Control the processing of the ground returns
17.
Which radar altimeter mode is initiated when on insufficient amount of return video is present during the keyed gain control gate?
18.
The radar altimeter test button provides the capability for testing the low-altitude fly-up circuits in the
A. 
Radar data terminals and terrain following acu's
B. 
Rdr data terminals and ground following acu's
C. 
Tf acu's and delivery acu's
19.
When is the radar altimeter height indicator OFF flag not displayed?
A. 
The height indicator is turned off
B. 
Power to the radar altimeter is lost
C. 
The radar altimeter is tracking the terrain
20.
Which radar application is used to produce a pictorial map of the terrain?
21.
Which radar application is used primarily as an aid to navigation?
22.
To achieve amplitude modulation, what device is used to ensure the output signal contains frequencies not present in the input signal?
23.
The frequencies created by the heterodyning process in an amplitude-modulated transmitter modulator are the
A. 
B. 
Sum of and difference between the tow original frequencies
C. 
Sum of the two original frequencies and two original frequencies
24.
In a frequency-modulated signal, the amount of frequency modulation is controlled by the modulating signals
25.
In a frequency-modulated signal, the amount of separation between the sideband frequencies is equal to the