Explore topic-wise MCQs in Aircraft Maintenance.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Aircraft Maintenance knowledge and support exam preparation. Choose a topic below to get started.

1.

The frequency shift is inversely proportional to the distance travelled.

A. False
B. True
Answer» B. True
Discussion
2.

Which of the following describes the time taken by a radar pulse to travel one nautical mile, reflect off a target, and then return to the radar antenna?

A. Radar distance
B. Unit radar
C. Radar mile
D. Radar return
Answer» D. Radar return
Discussion
3.

The Doppler device separates any clutter from an aircraft by means of a ________ spectrum.

A. Frequency
B. Amplitude
C. Velocity
D. Phase
Answer» B. Amplitude
Discussion
4.

Which of the following is a measure of the noise produced by a receiver compared to an ideal receiver?

A. Noise to signal ratio
B. Signal to noise ratio
C. Noise figure
D. Noise number
Answer» D. Noise number
Discussion
5.

What is the full form of SNR?

A. Shot to noise ratio
B. Signal to noise ratio
C. Sign to noise ratio
D. Side to noise ratio
Answer» C. Sign to noise ratio
Discussion
6.

Reflected signals ______ rapidly as distance increases.

A. Increase
B. Decline
C. Attenuate
D. Travel
Answer» C. Attenuate
Discussion
7.

A radar beam usually follows a _________ path in vacuum.

A. Closed
B. Vertical
C. Circular
D. Linear
Answer» E.
Discussion
8.

The linear polarization returns usually indicate concrete surfaces.

A. False
B. True
Answer» B. True
Discussion
9.

Circular polarization technique is used to nullify the interference caused due to ________

A. Heat
B. Rain
C. Wind
D. Mountains
Answer» C. Wind
Discussion
10.

Which of the following is not a type of polarization used by RADARS?

A. Horizontal
B. Vertical
C. Diagonal
D. Linear
Answer» D. Linear
Discussion