Explore topic-wise MCQs in Avionics.

This section includes 6 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 is the time delay in a coaxial cable is the dielectric constant is 2.3?

A. 1.36 ns/ft
B. 1.54 ns/ft
C. 5.21 ns/ft
D. 0.21 ns/ft
Answer» C. 5.21 ns/ft
Discussion
2.

What is the phase shift for a transmission line which carries a signal of time period 250ns and has a delay of 75 ns?

A. 108
B. 147
C. 154
D. 96
Answer» B. 147
Discussion
3.

if the capacitance of a particular line is 30 pF/ft and its inductance is 0.075 H/ft,What is the delay time?

A. 0.05 ns/ft
B. 1.62 ns/ft
C. 2.5 ns/ft
D. 1.5 ns/ft
Answer» E.
Discussion
4.

The characteristic impedance of a cable of length 1m is 50 . What is the characteristic impedance of the same cable of length 100m?

A. 100
B. 50
C. 25
D. 0.1
Answer» C. 25
Discussion
5.

What is the surge impedance if a capacitance of 0.0022 F (2200 pF) is measured for 100 ft and the inductance of each conductor is measured separately and then added, for a total of 5.5 H?

A. 48
B. 25
C. 50
D. 74
Answer» D. 74
Discussion
6.

What the model of transmission line that appears as a distributed low-pass filter consisting of series inductors and resistors and shunt capacitors and resistors called?

A. Impedance model of transmission line
B. Lumped model of distributed line
C. Capacitative model of transmission line
D. Complex resistive model of transmission line
Answer» C. Capacitative model of transmission line
Discussion