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Power Systems

Power Systems
The amount of ash content in Indian coal

  60 %.
 35 %.
 20 %.
  45 %.

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Power Systems
High capacity generators and motors are of

 star connected network
 star connected with grounding network
 delta connected network
 any of the above

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Power Systems
Sum of the elements of row i equal to shunt admittances connected to bus i. If this summation is zero, indicates there is no

None of these
 shunt admittance
 both 1 and 2
 mutual coupling

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Power Systems
Find the number of insulator discs required in string insulator, if operating voltage is 220 kV and maximum voltage of each disc is 11 kV?

 20
 10
 13
 21

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Power Systems
Specified quantities of load bus are

 Q and V
 V and δ
 P and Q
 P and δ

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Power Systems
Mho relay is usually employed for protection of

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

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