Introduction to Radar General Knowledge Quiz | Introduction to Radar General Knowledge Multiple Choice Questions(MCQs) & Answers

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Questions
1 Pulse repetition interval is :
A PW + PI
B PW – PI
C PW × PRF
D PW / PRF

Answer: PW + PI
2 40 GHz 300 GHz band is used in :
A satellites
B radar experiments
C police radios
D televisions

Answer: radar experiments
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3 Radar is used for :
A ground mapping only
B airport surveillance only
C weather forecast only
D ground mapping, airport surveillance and weather forecast

Answer: ground mapping, airport surveillance and weather forecast
4 VHF radar operates at a wavelength of :
A 10 m 1 m
B 1 m 30 m
C 1 m 10 m
D 3 cm

Answer: 10 m 1 m
5 Radar resolution has the unit of :
A meter
B seconds
C degrees
D meter/second

Answer: meter
6 Three dimensional radars determine :
A altitude, range and bearing
B range, bearing and elevation
C elevation, altitude and range
D elevation, azimuth and range

Answer: altitude, range and bearing
7 ECM means :
A electronic commutative mechanism
B jamming
C electronic communication method
D electronic communication meeting

Answer: jamming
8 Duplexer is :
A an oscillator
B a microwave switch
C an amplifier
D an active device

Answer: a microwave switch
9 Radar X-band is :
A 8 GHz – 12 GHz
B 4 GHz – 8 GHz
C 2 GHz – 4 GHz
D 1 GHz – 2 GHz

Answer: 8 GHz – 12 GHz
10 The minimum Doppler shift is :
A infinity
B zero
C transmitter frequency
D 100 KHz

Answer: zero
11 Radar Ku band is :
A 8 GHz – 12 GHz
B 12 GHz – 18 GHz
C 1 GHz – 2 GHz
D 4 GHz – 8 GHz

Answer: 12 GHz – 18 GHz
12 Pulse interval is :
A PRT-PW
B PRI+PW
C PRT-PRF
D PRF+PW

Answer: PRT-PW
13 The unit of cross- range resolution is :
A degree
B meter
C meter2
D meter/second

Answer: meter
14 Radar means :
A radio, detection and ranging
B radio, direction and ranging
C radio, data and ranging
D radio, display and ranging

Answer: radio, detection and ranging
15 Radar gun :
A measures speed of target
B measures height of target
C tracks fast moving target
D controls the targets motion

Answer: measures speed of target
16 Echo is :
A transmitted signal
B modulated signal
C demodulated signal
D reflected signal

Answer: reflected signal
17 PRF is :
A 1/PI
B 1/PRT
C PW
D PW+PRT

Answer: 1/PRT
18 The unit of Doppler shift is :
A hz
B meter
C degree
D second

Answer: hz
19 Radar S-band is :
A 4 GHz – 8 GHz
B 2 GHz – 4 GHz
C 8 GHz – 12 GHz
D 12 GHz – 18 GHz

Answer: 2 GHz – 4 GHz
20 Radar :
A detects only stationary objects
B detects only moving targets
C detects only incoming targets
D detects only stationary and moving targets

Answer: detects only stationary and moving targets

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