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Power Systems

Power Systems
A hydroelectric power station is commonly found in

 swamps.
 grasslands.
 desert areas.
  hilly areas.

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Power Systems
The amount of ash content in Indian coal

 20 %.
  45 %.
 35 %.
  60 %.

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Power Systems
Advantages of per unit system is/are

 Need of transformation ratio
 It has units for all quantities
 No units for any quantity
All of these

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Power Systems
The economics of power plant is greatly influenced by

 nether 1 nor 2
 diversity factor
 both 1 and 2
 load factor

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Power Systems
If we increase the spacing between the phase conductors, the value of line inductance

 remains unaffected
None of these
 decrease
 increase

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Power Systems
The zero sequence current of a generator for line to ground fault is j3 pu. Then the current through the neutral during the fault is

 j6 pu
 j3 pu
 j1 pu
 j9 pu

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