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Power Systems

Power Systems
A gas turbine power plant is best suited for

 Base load.
 Emergency.
 None of these.
 Peak 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.
 Spillways.
  Fore bay.
 Penstock.

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Power Systems
What will be the thermal efficiency of a 240 V, 1000 W electric kettle if it brings 2 liters of water at 15° C to boiling point 15 Minutes

 80.25 %.
  79.33 %.
 78.96 %.
  74.56 %.

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Power Systems
In a 4*4 Y bus matrix the number of non zero elements are 12. Find the sparsity of the system?

 1
 0.75
 0.5
 0.25

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Power Systems
Four identical alternators each are rated for 20 MVA, 11 KV having a subtransient reactance of 16% are working in parallel. The short circuit level at the busbar is

 125 MVA
 400 MVA
 100 MVA
 500 MVA

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Power Systems
Cheapest plant in operation and maintenance is

  hydroelectric.
  diesel power.
  nuclear.
  steam power.

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