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Power Systems

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

 boiler
 turbines
 ESP
 condenser

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Power Systems
In thermal power stations, economiser will

 reduce the heat
 both 2 and 3
 reduce the thermal efficiency
 increase the thermal efficiency

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Power Systems
A hydro power plant of run off river type should be provided with pondage so that the

 pressure inside the turbine casing remains.
 kinetic energy of the running water is fully utilized.
 operating head is controlled.
  firm capacity of plant is increased.

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Power Systems
An alternator having an induced emf of 1.6 pu is connected to an infinite bus of 1 pu. If the bus bar has reactance of 0.6 pu and alternator has reactance of 0.2 pu, what is the maximum power that can be transferred?

 2 pu
 2.67 pu
 5 pu
 6 pu

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Power Systems
The specific speeds of Kaplan, Francis and Pelton turbines are in

 neither increasing nor decreasing order.
 the increasing order.
  the decreasing order.
None of these

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Power Systems
Tarapur nuclear power plant has which type of reactor?

 CANDU type reactors.
 Boiling water type.
 Pressurized water reactors.
 None of these.

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