Explore topic-wise MCQs in Avionics.

This section includes 12 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 modulation is used in L1 Signal of the GPS?

A. Amplitude modulation
B. Phase modulation
C. Frequency shift keying
D. Binary phase shift keying
Answer» E.
2.

Which of the following is the latest block of GPS satellites?

A. I
B. IA
C. II
D. IIF
Answer» E.
3.

WHICH_OF_THE_FOLLOWING_IS_THE_LATEST_BLOCK_OF_GPS_SATELLITES??$

A. I
B. IA
C. II
D. IIF
Answer» E.
4.

What_type_of_modulation_is_used_in_L1_Signal_of_the_GPS?$

A. Amplitude modulation
B. Phase modulation
C. Frequency shift keying
D. Binary phase shift keying
Answer» E.
5.

What type of antenna is used in GPS systems?

A. Yagi antenna
B. Helical array antenna
C. Loop antenna
D. Parabolic antenna
Answer» C. Loop antenna
6.

What is the number of GPS satellites used?

A. 54
B. 12
C. 5
D. 24
Answer» E.
7.

Only L2 signal carries the encrypted precise code.

A. True
B. False
Answer» B. False
8.

The intentional degradation of GPS signal in specific areas is called ________

A. Selective degradation
B. Selective availability
C. Distributed GPD
D. Signal jamming
Answer» C. Distributed GPD
9.

Which of the following position services provided by the GPS require crypto keys?

A. Precise position service
B. Standard position service
C. Ultimate position service
D. Doppler position service
Answer» B. Standard position service
10.

What is the reason for sending two transmissions in the same band?

A. Redundancy
B. Ionosphere refraction corrections
C. Multiplexing
D. Reducing traffic
Answer» C. Multiplexing
11.

What is the approximate time taken by the GPS for one complete orbit?

A. 11 minutes
B. 45 minutes
C. 5 hours
D. 12 hours
Answer» E.
12.

Which of the following is false with respect to GPS?

A. Active system
B. All weather system
C. Continuous system
D. Space based system
Answer» B. All weather system