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Power Systems

Power Systems
Skin effect depends on

 relative permeability
 frequency
All of these
 conductivity

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Power Systems
Calorific value of solid fuel is expressed as

  KCal / gm.
  Cal / lt.
  KCal / lt.
  Cal / gm.

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Power Systems
Which of the following statements is/are true regarding HVDC?

 There is no skin effect in dc line
 HVDC can utilize earth for its return path
All of these
 Corona loss is very much reduced in the dc line

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Power Systems
Telecommunication lines are transposed to reduce the

 efficiency
 voltage level
All of these
 radio interference in communication lines

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Power Systems
The rate of rise of restricting voltage depends upon the

 Type of CB.
 Inductance of the system.
 Capacitance of the system.
  Inductance and capacitance of the system.

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Power Systems
In transmission lines distribution constants are

 inductance and capacitance
 inductance and resistance
 both 1 and 2
 resistance

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