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Power Systems

Power Systems
Ferranti effect occurs under

 no load
 any of the above
 half load
 full load

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Power Systems
In hydro power stations what is an enlarged body of water just above the intake and used as a regulating reservoir called

 Reservoir.
  Fore bay.
 Penstock.
 Spillways.

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Power Systems
The corona loss on a particular system at 50 Hz is 1 kW/km per phase. What is the corona loss at 60 Hz in kW/km per phase?

 1
 1.13
 0.89
 1.25

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Power Systems
What is the function of economiser in steam boilers

 improving thermal efficiency
All of these
 collect ash particals
 cooling

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Power Systems
Thermal shielding is provided to

 prevent the reactor wall from getting heated.
All of these
 absorb the fast neutron.
 protected the operating personal from exposure to radiations.

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Power Systems
Ferranti effect can be compensated by which of the following

 shunt reactor
 series capacitor
 shunt capacitor
 both 1 and 2

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