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Power Systems

Power Systems
Hydro-graph is similar to

 both B and C.
  load curve.
 mass curve.
 energy load curve.

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

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

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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

 Penstock.
  Fore bay.
 Spillways.
 Reservoir.

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Power Systems
To reduce the radio interference which line is/are transposed?

 Both power and telecommunication lines
 either 1 or 2
None of these
 Power line

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Power Systems
Mho relay is usually employed for protection of

 long transmission lines only
 any line
 medium transmission lines only
 short transmission lines only

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Power Systems
A power station has a maximum demand of 15 MW. The plant capacity is 20 MW. Find the reserve capacity of the plant?

 20 MW
 10 MW
 15 MW
 5 MW

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