Explore topic-wise MCQs in Avionics.

This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Avionics knowledge and support exam preparation. Choose a topic below to get started.

1.

Both ATCRBS and mode S have the same range.

A. True
B. False
Answer» B. False
2.

A mode S transponder is silent when it is not interrogated.

A. True
B. False
Answer» C.
3.

BOTH_ATCRBS_AND_MODE_S_HAVE_THE_SAME_RANGE.?$

A. True
B. False
Answer» B. False
4.

A mode S transponder is silent when it is not interrogated?

A. True
B. False
Answer» C.
5.

Transmission of modes reply at regular interval to aid TACS is called ________

A. Garble
B. Squitter
C. Fruit
D. Pulsed Radar
Answer» C. Fruit
6.

The error caused by two aircraft flying close to each other replying to the same interrogation pulse is called ______

A. Garble
B. Fruit
C. Noise
D. Interference
Answer» B. Fruit
7.

How does mode S identify each aircraft?

A. Unique code for each transponder
B. Lapsed time
C. RCS
D. Directly talking to the pilot
Answer» B. Lapsed time
8.

What are the numbers of non-selective interrogations in mode S system?

A. 5
B. 6
C. 7
D. 8
Answer» C. 7
9.

Which mode is used for selective calling?

A. Mode A
B. Mode B
C. Mode C
D. Mode S
Answer» E.
10.

What is the frequency of interrogation pulse in secondary radar?

A. 1020 MHz
B. 1300 MHz
C. 1030 MHz
D. 1500 MHz
Answer» D. 1500 MHz
11.

How does mode S system differ from mode A and C?

A. Extension of secondary radar
B. Uses pulse technology
C. More data can be transferred
D. One way travel of radio signal
Answer» D. One way travel of radio signal