Explore topic-wise MCQs in Avionics.

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

1.

MLS ESA works on the principle of phase shifting.

A. True
B. False
Answer» B. False
2.

MLS_ESA_WORKS_ON_THE_PRINCIPLE_OF_PHASE_SHIFTING.?$

A. True
B. False
Answer» B. False
3.

What is the typical scanning rate of the MLS antenna?

A. 20,000°/sec
B. 10000°/sec
C. 500°/sec
D. 37°/sec
Answer» B. 10000¬¨¬®‚Äö√†√ª/sec
4.

Using an audio tone to encode angles is an efficient method.

A. True
B. False
Answer» C.
5.

Which of the following determines the required transmission power in MLS?

A. Noise
B. Bit error rate
C. Runway length
D. Aircraft size
Answer» C. Runway length
6.

What is the number of channels in the MLS system?

A. 10
B. 50
C. 4000
D. 200
Answer» E.
7.

Why is a back azimuth station used in some MLS?

A. Better range
B. Less noise
C. Missed approach
D. Back up for main azimuth station
Answer» D. Back up for main azimuth station
8.

Which of the following is not one of the basic components of the MLS system?

A. Azimuth ground station
B. Elevation ground station
C. DME
D. Radar
Answer» E.
9.

What does the MLS use to overcome the weakness of ILS system?

A. Narrow beam width antennas
B. More power
C. Filers for separating noise
D. Array of antennas
Answer» B. More power
10.

What is the main weakness of the ILS system?

A. Less power
B. Less range
C. More noise
D. Environment sensitivity
Answer» E.