Transmission Lines MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Transmission Lines, a fundamental topic in the field of Avionics Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Transmission Lines MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Transmission Lines mcq questions that explore various aspects of Transmission Lines problems. Each MCQ is crafted to challenge your understanding of Transmission Lines principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Avionics Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Transmission Lines MCQs are your pathway to success in mastering this essential Avionics Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Transmission Lines. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Transmission Lines knowledge to the test? Let's get started with our carefully curated MCQs!

Transmission Lines MCQs | Page 3 of 6

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Q21.
Parallel conductors form a distributed inductance with the insulation.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
Q22.
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

Discuss
Answer: (b).Lumped model of distributed line
Q23.
What is the surge impedance if a capacitance of 0.0022 μF (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 μH?

a.

48 Ω

b.

25 Ω

c.

50 Ω

d.

74 Ω

Discuss
Answer: (c).50 Ω
Q24.
The characteristic impedance of a cable of length 1m is 50 Ω. What is the characteristic impedance of the same cable of length 100 m?

a.

100 Ω

b.

50 Ω

c.

25 Ω

d.

0.1 Ω

Discuss
Answer: (b).50 Ω
Q25.
Speed of signal in transmission line is equal to the speed of light.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
Q26.
The velocity factor of a coaxial cable is typically 0.8. What is the speed of transmission?

a.

0.8 x 10⁸ m/s

b.

2.4 x 10⁸ m/s

c.

1.7 x 10⁸ m/s

d.

0.2 x 10⁸ m/s

Discuss
Answer: (b).2.4 x 10⁸ m/s
Q27.
What is the velocity factor of a coaxial cable having an insulator with dielectric constant 2.1?

a.

0.69

b.

0.54

c.

0.32

d.

0.45

Discuss
Answer: (a).0.69
Q28.
Calculate the velocity factor if the transmission speed is 2.04 x 10⁸.

a.

0.43

b.

0.25

c.

0.74

d.

0.68

Discuss
Answer: (d).0.68
Q29.
What type of transmission line is used to intentionally delay the signal?

a.

Parallel lines

b.

Serial lines

c.

Delay lines

d.

Transit lines

Discuss
Answer: (c).Delay lines
Q30.
If the capacitance of a particular line is 30 pF/ft and its inductance is 0.075 μH/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

Discuss
Answer: (d).1.5 ns/ft
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