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Power Systems

Power Systems
The term self GMD is used to calculate

 capacitance
 inductance
 both 1 and 2
 resistance

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Power Systems
Find the propagation constant, if impedance is 10Ω and admittance is 10 â„§?

 5
 10
 100
 1

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Power Systems
Specified quantities of slack bus are

 P and Q
 P and V
 V and δ
 P and δ

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Power Systems
A coal fired steam power station working at a plant factor of 80% has one 500 MW generating unit. If the heat content of coal is 2 kWh/kg, the overall plant efficiency is 40% and a train load of coal is 2000 metric tons, then the number of trains required daily for the plant is

 6
 2
 10
 16

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Power Systems
To reduce the radio interference which line is/are transposed?

 Power line
 Both power and telecommunication lines
 either 1 or 2
None of these

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Power Systems
A three phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 secs. The symmetrical breaking current is

 55 kA.
 45 kA.
 50 kA.
  35 kA.

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