Frequency Division Multiplexing MCQ’s

Read Time:1 Minute, 18 Second

This set of Avionics Multiple Choice Questions & Answers (MCQs) focuses on “Frequency Division Multiplexing”.

1. In which of the following systems multiplexing is not necessary?
a) Telemetry
b) TV broadcasting
c) Satellites
d) Continuous wave transmission

2. Time division multiplexing: Digital signal:: Frequency division multiplexing:?
a) Pulse code modulated signal
b) Continuous wave signals
c) Analog signal
d) Pulse position modulated signal

3. Multiplexing increases the number of communication channels for transmission.
a) True
b) False

4. What type of multiplexing is widely used in cellphones?
a) Time division multiplexing
b) Frequency division multiplexing
c) Code division multiplexing
d) Spatial multiplexing

5. For frequency division multiplexing who defines the channel bandwidth?
a) FCC
b) ARNIC
c) FAA
d) CCA

6. Which circuit does the actual multiplexing process in frequency division multiplexing?
a) Linear mixer
b) Oscillator
c) RF amplifier
d) Duplexer

7. The transmission of multiple signals in a common frequency without interference is called _______
a) Time division multiplexing
b) Frequency division multiplexing
c) Code division multiplexing
d) Spatial multiplexing

8. What is the individual carrier frequency of each signal called?
a) Subcarrier
b) Frequency carrier
c) Modulated carrier
d) Coded carrier

9. Which of the following device is used to demultiplex the received signal?
a) Allpass filters
b) Bandpass filters
c) Bandstop filters
d) Differential filters

10. A cable TV service uses a single coaxial cable with a bandwidth of 860 MHz to transmit multiple TV signals to subscribers. Each TV signal is 6 MHz wide. How many channels can be carried?
a) 143
b) 123
c) 100
d) 150

11. The system which uses FM for the subcarriers is called _____
a) FM II system
b) FM/FM system
c) FM/AM system
d) 2 stage FM system

Happy
Happy
0 %
Sad
Sad
0 %
Excited
Excited
0 %
Sleepy
Sleepy
0 %
Angry
Angry
0 %
Surprise
Surprise
0 %

Average Rating

5 Star
0%
4 Star
0%
3 Star
0%
2 Star
0%
1 Star
0%

Leave a Reply

Your email address will not be published. Required fields are marked *

Previous post Communication Receivers MCQ’s
Next post Time Division Multiplexing MCQ’s