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Types of Antenna - Avionics MCQ Questions

Types of Antenna MCQs : Here you will find MCQ Questions related to "Types of Antenna" in Avionics. These Types of Antenna MCQ Questions Will help you to improve your Avionics knowledge and will prepare you for various Examinations like Competitive Exams, Placements, Interviews and other Entrance Exmaniations




Question 1

Which of the following is a hypothetical antenna that radiates equal signal power in all directions?

A. Dipole
B. Isotropic
C. Monopole
D. All of the above

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Question 2

In Turnstile, Two dipole antennas mounted at right angles, fed with a phase difference of?

A. 45 degree
B. 75 degree
C. 90 degree
D. 120 degree

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Question 3

Corner reflector : A directive antenna with moderate gain of about _________ often used at UHF frequencies.

A. 5 dBi
B. 6 dBi
C. 7 dBi
D. 8 dBi

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Question 4

biconical antenna is a dipole-like antenna made of two cones, oriented along the same axis and oriented tip-to-tip.

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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Question 5

Butterfly antenna is a ________ dimesional (flat) biconical antenna.

A. multi
B. two
C. one
D. All of the above

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Question 6

Discone antenna is full of a biconical with a flat disc mounted below the cone

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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Question 7

The impedance at the center of the antenna is known as?

A. Characteristic impedance
B. Recovery resistance
C. Transmission impedance
D. Radiation resistance

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Question 8

What is the use of loading coil?

A. Correcting resonance to a desired frequency
B. Increasing the antenna gain
C. Sideband suppression
D. Increasing the range of the antenna

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Question 9

The type of dipole antenna that has a higher band width is called as?

A. Yagi antenna
B. Helical antenna
C. Conical antenna
D. Marconi antenna

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Question 10

Why is top hat added to antennas?

A. To increase capacitance
B. Increasing the antenna gain
C. Sideband suppression
D. Increasing the range of the antenna

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