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Power Systems

Power Systems
Range of accelerating factor is

 10.8 to 11.2
 1 to 10
 1.6 to 1.8
 50 to 100

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Power Systems
A 3-phase transmission line has its conductors at the corners of an equilateral triangle with side 3m. The diameter of each conductor is 1.63 cm. The inductance of the line per phase per km is

 1.093 mH
 1.182 mH
 1.232 mH
 1.043 mH

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Power Systems
A power station plant load factor is defined as the ratio of

 minimum load to average load
 average load to the peak load
 the energy generated to that of maximum energy that could have been generated
 minimum load to peak load

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

 voltage
 current
 power factor
 reactive power

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Power Systems
Which of the following power plants needs highly skilled/qualified engineers for its operation

 Hydro Power Plant
 Gas-turbine.
 Thermal.
 Nuclear.

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Power Systems
The main objectives of electrical power transmission is/are

 both 1 and 2
 nether 1 nor 2
 Transmission system must be more efficient with minimum line losses
 Voltage regulation of the transmission line must be zero or minimum

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