The phenomenon of rise in voltage at the receiving end of the open-circuited or lightly loaded line is called the

Giving is better than receiving. Here the word ‘receiving’ is a/an-

A

adjective

B

common noun

C

gerund

D

present participle

A delivery car went from Candleford to Lark Rise and back at an average speed of23 miles per hour. If the distance from Candleford to Lark Rise is 1 mile, and the trip back too half as much time as the trip there, what was the average speed of the delivery car on the way to Lark Rise?

A

13

B

34

C

12

D

23

A delivery cart went from Candle ford to Lark Rise and back at an average speed of 2/3 miles per hour. If the distance from Candle ford to Lark Rise is 1 mile, and the trip back took half as much time as the trip there, what was the average speed of the delivery cart on the way to Lark Rise?

A

1/3

B

3/4

C

1/2

D

2/3

This is a --- question and should not be lightly disposed.

A

difficult ,on

B

silly,on

C

important , in

D

vexed, of

A synchronous motor installed at the receiving end substation operates with such an excitation that it takes power at lagging power factor. Now if the applied voltage of the synchronous motor goes down, the power factor of the synchronous motor will

A

remain same

B

go down

C

improve

D

none of the above

The rise time of a pulse waveform is the time required for the voltage to rise:

A

from zero to its rms value

B

from zero to its peak value

C

from 10% of the peak value to 70.7% of the peak value

D

from 10% of the peak value to 90% of the peak value

E

None of the above

An elastic bar is fixed at the upper end and loaded at the lower end by a falling weight. The shock load produced can be reduced by

A

Increasing the length of bar

B

Decreasing the cross-sectional area of the bar

C

Decreasing the modulus of elasticity of the bar

D

All of the above

In the case of an elastic bar fixed at upper end and loaded by a falling weight at lower end, the shock load produced can be decreased by

A

Decreasing the cross-section area of bar

B

Increasing the cross-section area of bar

C

Remain unaffected with cross-section area

D

Would depend upon other factors

Messages from one computer terminal can be sent to another by using data networks. The message to be sent is converted to an electronic digital signal, transmitted via a cable, telephone or satellite and then converted back again at the receiving end. What is this system of sending messages called?

A

Paperless office

B

Electronic mail

C

Global network

D

Electronic newspaper

E

None of the above

When two similar sources vibrate with slightly different frequencies, a regular rise and fall occurs in the loudness of tone. This phenomenon is known as

A

Doppler effect

B

Beats

C

Resonance

D

Echo

The phenomenon of rise in voltage at the receiving end of the open-circuited or lightly loaded line is called the

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