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Power Systems

Power Systems
Which of the following plants is/are base load plants

 both 1 and 2
 nuclear
 run off river
 pump storage

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Power Systems
A transmission line has impedance of (0.005 + j0.05) pu. Find the line at which maximum value of negative DC off set current is produced, if it is applied with Vm sinωt?

 9.68 msec
 4.68 msec
 2.63 msec
 1.47 msec

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Power Systems
A transmission line has impedance of (0.005 + j0.05) pu. Find the line at which maximum value of negative DC off set current is produced, if it is applied with Vm cosωt?

 2.63 msec
 1.47 msec
 9.68
 4.68 msec

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Power Systems
Suspension type insulators are used for voltage beyond

 230 V
 33 kV
 11 kV
 440 V

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Power Systems
A moderator material should have

 may be any of the above.
None of these
  small atomic mass.
 large atomic mass.

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Power Systems
Lightning arresters are used for

 protection of equipment from short circuits
All of these
 protection of equipment from open circuits
 protection of equipment from external lightning

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