Explore topic-wise MCQs in Avionics.

This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Avionics knowledge and support exam preparation. Choose a topic below to get started.

1.

What type of waveform must be transmitted to reduce Doppler shit errors?

A. Square
B. Triangular
C. Sine
D. Cosine
Answer» C. Sine
Discussion
2.

Which of the following is responsible for the reduced use of transmitter power in radar altimeter?

A. Low range
B. Interference with other bands
C. Receiver low noise amplifier
D. Radome
Answer» D. Radome
Discussion
3.

Which of the following is true with respect with solid state transmitters in pulsed radar altimeters?

A. Input power is around 100W
B. Use receiver pre-amplifiers
C. High reliability
D. Small size
Answer» B. Use receiver pre-amplifiers
Discussion
4.

What is the frequency designated to radar altimeters?

A. 4.2 to 4.4 GHz
B. 2.4 to 4.2 GHz
C. 500 to 1 GHz
D. 13 to 14 GHz
Answer» B. 2.4 to 4.2 GHz
Discussion
5.

What is the function leading edge range tracker servo loop?

A. Provide range to the nearest return
B. Speed measurements
C. Vertical speed measurement
D. Automatic ground navigation
Answer» B. Speed measurements
Discussion
6.

Altimeters that are specifically designed to provide mark signals at specific altitudes for automatic operations are called as _________

A. Radar altimeter
B. Pressure altimeter
C. Altitude marking radar
D. Mark altimeter
Answer» D. Mark altimeter
Discussion
7.

What is the maximum altitude that can be measured using a radio altimeter?

A. 100ft
B. 500ft
C. 50 ft
D. 5000ft
Answer» E.
Discussion
8.

Why is the radio altimeter placed in the tail of aircraft?

A. Can be placed anywhere
B. When landing tail is closer to the ground
C. When landing nose is closer to the ground
D. Weight balance
Answer» C. When landing nose is closer to the ground
Discussion