1.  500 kW

2.  567 kW

3.  425 kW

4.  257 kW

4
Correct Answer :

425 kW


Explanation :
No Explanation available for this question

1.  18.97A

2.  32.18 A

3.  27.97 A

4.  25 A

4
Correct Answer :

32.18 A


Explanation :
No Explanation available for this question

1.   (50.65 + j14.32), (30.55 + j4.26)

2.  (50.65 + j14.32), (30.55 - j4.26)

3.  (50.65 - j14.32), (18.79 + j10)

4.  (50.65 + j14.32), (18.79 - j10.0)

4
Correct Answer :

(50.65 + j14.32), (30.55 - j4.26)


Explanation :
No Explanation available for this question

1.  49 Hz

2.  48.5 Hz

3.  47.5 Hz

4.  there is no grading for under frequency relays

4
Correct Answer :

there is no grading for under frequency relays


Explanation :
No Explanation available for this question

1.  mho relay

2.  reactance relay

3.  impedance relay

4.  all are equally affected

4
Correct Answer :

impedance relay


Explanation :
No Explanation available for this question

1.  215.56 kV

2.  208.56 kV

3.  186.0 kV

4.  100 kV

4
Correct Answer :

215.56 kV


Explanation :
No Explanation available for this question

1.  blocks surge voltage appearing in a line

2.  absorbs surge voltage appearing in a line

3.  offers a low resistance path to the surge appearing in the line

4.  returns surge back to the source

4
Correct Answer :

offers a low resistance path to the surge appearing in the line


Explanation :
No Explanation available for this question

1.  short-circuit current becomes zero

2.  post-fault transfer impedance attains a value higher than that during the fault

3.  ordinate of the post-fault power-angle characteristic is higher than that of during fault characteristic

4.  voltage behind the transient reactance increases to a higher value

4
Correct Answer :

post-fault transfer impedance attains a value higher than that during the fault


Explanation :
No Explanation available for this question

1.  high impedance to carrier frequency but low impedance to power frequency

2.  low impedance to both carrier and power frequency

3.  high impedance to both carrier and power frequency

4.  low impedance to carrier frequency but high impedance to power frequency

4
Correct Answer :

high impedance to both carrier and power frequency


Explanation :
No Explanation available for this question

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