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Power Systems

Power Systems
Calorific value of solid fuel is expressed as

  Cal / gm.
  KCal / lt.
  Cal / lt.
  KCal / gm.

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Power Systems
Uses of diesel power stations

  peak load plant.
 standby plants.
All of these
  emergency plants.

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Power Systems
A generating station has a maximum demand of 100 MW, a load factor of 60% and a plant capacity factor of 50%. The reserve capacity of the plant is

 10 MW
 20 MW
 15 MW
 80 MW

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Power Systems
Suspension type insulators are used for voltage beyond

 440 V
 33 kV
 230 V
 11 kV

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Power Systems
If L and C are 4 mH and 0.0001 μF respectively a current chop of magnitude 50 Amp would induced a voltage

 400 kV.
  100 kV.
  200 kV.
 50 kV.

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Power Systems
The voltage and current instantaneous values are given as 5 sin (ωt + 30°) pu and 2 sin (ωt - 15°) pu respectively. Find the per unit active power?

 3.535 pu
 7 pu
 5 pu
 5.353 pu

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