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Power Systems

Power Systems
In thermal plant most of the energy is wasted in

 boiler
 turbines
 condenser
 ESP

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Power Systems
The characteristic impedance of a transmission line is

 Directly proportional to square root of its length.
 Independent of its length.
 Inversely proportional to square root of its length.
 Directly proportional to its length.

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Power Systems
The receiving end voltage for a long line under no load condition is

 any of the above
 equal to the sending end voltage
 less than the sending end voltage
 more than the sending end voltage

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Power Systems
In nuclear power plants which material is/are used as coolant?

 liquid sodium
 graphite
 beryllium
All of these

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Power Systems
Units of incremental cost is

 RsMW/hr
 Rs/hr
 Rs/MWhr
 MWhr/Rs

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Power Systems
A 60 Hz, 320 Km loss less line has sending end voltage 1.0 pu. The receiving end voltage on no-load is

 1.1 pu.
 none of these.
 1.116 pu.
  1.088 pu.

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