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Power Systems

Power Systems
Ideal plant load cfactor is

 1
 0
 less than 1
 greater than 1

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Power Systems
Which device is used for protection of equipment from from damage caused by overload or short circuit?

 CVT
 lightning arrester
 circuit breaker
 current transformer

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Power Systems
The total number of strands(N) is concentrically stranded cable with total annular space filled with strands of uniform diameter is given by (if x is number of layers)

 N = 3x²-3x+1
 N = 3x²+3x+1
 N = 3x²-6x+1
 N = 3x²-2x+1

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Power Systems
Which of the following rotor is used in thermal power plants?

 cylindrical rotor
 salient pole rotor
 squirrel cage rotor
 either of these

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Power Systems
Most commonly used material for insulator is

All of these
 glass
 mica
 porcelain

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Power Systems
Phase shift occurs due to which of the following components?

 both 1 and 2
 conductance
 capacitance
 inductance

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