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Power Systems

Power Systems
For flat voltage profile system, voltage regulation is

 50%
 any of the above
 0%
 100%

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Power Systems
A transmission line has a surge impedance of 400 Ω is connected with the cable having surge impedance of 40 Ω, a surge magnitude of 100 kV is travelling from the transmission line towards the cable. Find the transmitted voltage?

 18.18 kV
 100 kV
 36. 36 kV
 30.6 Kv

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Power Systems
On what factors does the selection of a water turbine depend

  All of above.
 Nature of load.
 Working head.
 Speed.

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Power Systems
Pump storage schemes are used to improve

  the plant capacity factor as well as the load factor of the power system.
 the load factor.
 the power factor.
 the diversity factor.

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Power Systems
The internal flux linkage due to internal flux of a conductor is

 I/6*10-7 wb-T/m
 I/2*10-7 wb-T/m
All of these
 I/4*10-7 wb-T/m

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Power Systems
Which of the following power plants can generate power at unpredictable or uncontrollable time

 Wind turbine.
 Pulverising unit.
 Cooling tower.
 Condenser.

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