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Power Systems

Power Systems
In thermal power plants the size of coal after crushing

 200 - 205 mm.
  300 mm.
 40 mm.
  20 - 25 mm.

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Power Systems
Rankine cycle efficiency of a steam power plant is of

  60 - 80 %.
  20 - 30 %.
  30 - 45 %.
  45 - 80 %.

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Power Systems
Surge tank is kept very close to the

 spill way
 turbine
 generator
 pen stock

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Power Systems
Bonding is done at the both ends of the cable to reduce the

None of these
 iron loss
 copper loss
 sheath loss

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Power Systems
The water from a catchment is 60*106 cu m annually and hydro station has head of 40 m. Assuming ideal generator and turbine, the power that can be theoretically generated is

 250 kW
 300 kW
 500 kW
 750 kW

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Power Systems
Counter poise is used for

 less surge impedance
 more surge impedance
 reduce losses
 proper discharging of lighting surges

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