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Power Systems

Power Systems
Surge tank is kept very close to the

 generator
 pen stock
 turbine
 spill way

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Power Systems
Normally Z bus matrix is a

 null matrix
 sparse matrix
 full matrix
 unit matrix

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Power Systems
When a transformer is loaded, the secondary terminal voltage gains. That means power factor is

  leading.
 lagging.
 unity.
 zero.

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Power Systems
Which material is used in controlling chain reaction in a nuclear reactor

  Boron.
 Thorium.
 Heavy water.
 Beryllium.

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Power Systems
A thermal generating station has an installed capacity of 15 MW and supplies a daily load of 10 MW for 12 hours and 5 MW for remaining 12 hours. If the load factor is 0.8. Find the reserve capacity of the station?

 5 MW
 10 MW
 18 MW
 9 MW

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Power Systems
Bundled conductors in EHV transmission lines

 decrease inducatance
 increase inductance
 increase capacitance
 decrease capacitance

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