BSNL TTA ONLINE TEST - 2 Network, Filters and Transmission Lines

Quiz by BSNL ACADEMY, created more than 1 year ago

Subject : Network, Filters and Transmission Lines Instruction: Time limit for the exam: 25 Minutes Total number of questions : 30 Q Each question carry 1 mark, no negative marks. DO NOT refresh the page. All the best by BSNL ACADEMY If U Like Our Test series than Share with your friends and Rate Our Tests.

	Created by BSNL ACADEMY almost 8 years ago

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BSNL TTA ONLINE TEST - 2 Network, Filters and Transmission Lines

Question 1 of 30

Proximity effect depends on

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Explanation

Question 2 of 30

Skin effective is more in case of

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Question 3 of 30

Apart from the skin effect the non uniformity of the current distribution is also caused by

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Question 4 of 30

Transmission lines are transposed to reduce

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Question 5 of 30

In transmission lines distribution constants are

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Question 6 of 30

Aluminium is now most commonly employed conductor material in transmission lines than copper because

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Question 7 of 30

ACSR means

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Question 8 of 30

The inductance of single phase two wire line is given by

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Question 9 of 30

If the diameter of the conductor is increased

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Question 10 of 30

Which of the following statements is/are true

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Question 11 of 30

The ABCD constants of a 3-phase transmission line are A = D = 0.8∠1°, B = 170∠85° Ω , C = 0.002∠90.4° â„§. The sending end voltage is 400 kV. The receiving end voltage under no load condition is

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Explanation

Question 12 of 30

Surge impedance loading of a 3-phase, 400 kV transmission line is 400 Ω. The surge impedance loading is

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Question 13 of 30

Surge impedance loading of a transmission line can be increased by

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Question 14 of 30

For transmission line which one of the following relation is true?

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Question 15 of 30

A 3-phase transmission line has its conductors at the corners of an equilateral triangle with side 3m. The diameter of each conductor is 1.63 cm. The inductance of the line per phase per km is

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Question 16 of 30

In series RLC circuit which of the following represents the Q factor ?

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Question 17 of 30

In series RLC circuit what is the power factor just bellow the resonance frequency?

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Question 18 of 30

Which of the following represents the resonance frequency (ω0) with respect to lower cutoff frequency (ω1) and higher cutoff frequency (ω2)

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Question 19 of 30

In a series resonance circuit if bandwidth is 1 MHz and inductance is 1 mH, then what is the resistance value?

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Question 20 of 30

Time constant of RL series circuit is

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The ABCD constants of a 3-phase transmission line are
A = D = 0.8∠1°, B = 170∠85° Ω , C = 0.002∠90.4° â„§.
The sending end voltage is 400 kV. The receiving end voltage under no load condition is