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Power Systems

Power Systems
India’s largest thermal power station is located at

 Kota.
 Chandrapur.
 Sarni.
 Neyveli.

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Power Systems
Stock bridge dampers are used to

 reduce the tension
All of these
 reduce the vibrations at the point of support
 increase the sag

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Power Systems
If sparsity of a 5 bus transmission line is 0.4. Find the number of transmission lines?

 3
 5
 6
 4

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Power Systems
An over current relay, having a current setting of 125% connected to a supply circuit through a current transformer of ratio 500/5. The plug setting multiplier for a fault current of 5 kA is

 6
 2
 8
 5

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Power Systems
Which of the following relays is/are unit protection relays?

 Differential relays
 Buccholz relays
 both 1 and 2
 over current relays

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Power Systems
The insulator thickness on the conductor, in cables depends upon

 reactive power
 voltage
 current
 power factor

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