Avionics Mock Test 5

10%

Question 1 of 10

1. The ability to pick up week signals by a receiver is called _________

Amplification

Sensitivity

Selectivity

Gain

Question 1 of 10

Question 2 of 10

2. What is the individual carrier frequency of each signal called?

Coded carrier

Subcarrier

Modulated carrier

Frequency carrier

Question 2 of 10

Question 3 of 10

3. What type of receivers converts all incoming frequency into a lower frequency for better selectivity and sensitivity?

Superheterodyne receivers

Digital receiver

Analogous receivers

Crystal receiver

Question 3 of 10

Question 4 of 10

4. Serial transmission is not possible without time division multiplexing.

True

False

Question 4 of 10

Question 5 of 10

5. The velocity factor of a coaxial cable is typically 0.8. What is the speed of transmission?

2.4 x 10⁸ m/s

0.2 x 10⁸ m/s

1.7 x 10⁸ m/s

0.8 x 10⁸ m/s

Question 5 of 10

Question 6 of 10

6. What device is used to demodulate a time division multiplexed analog wave?

High pass filter

Band stop filter

Attenuator

Low pass filter

Question 6 of 10

Question 7 of 10

7. In a TDD one channel is sufficient for transmission.

False

True

Question 7 of 10

Question 8 of 10

8. What is the minimum frequency of a 16-MHz crystal with a stability of 200 ppm?

1,60,03,200Hz

2,14,65,400Hz

1,59,96,800Hz

4,56,42,863Hz

Question 8 of 10

Question 9 of 10

9. The transmission of data by dots and dashes is an example of ___________

Continuous wave transmission

Amplitude modulation

Discrete signal transmission

Frequency modulation

Question 9 of 10

Question 10 of 10

10. Which of the following is called as UHF connector?

N-type connector

BNC

SMA

PL-259

Question 10 of 10