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Power Systems

Power Systems
Rating of fuse wire is expressed in

 ÃŽÂ©.
  Mho.
  Ampere.
  Watts.

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Power Systems
Switchgear equipment include

  all of these.
  switches.
  relays and CB.
  fuses.

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Power Systems
What is the function of economiser in steam boilers

 collect ash particals
 cooling
All of these
 improving thermal efficiency

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Power Systems
Which of the following power plants can generate power at unpredictable or uncontrollable time

 Cooling tower.
 Condenser.
 Pulverising unit.
 Wind turbine.

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Power Systems
The per unit impedance Z(pu) is given by

 ZΩ* (MVA)b/(KV)²b
 ZΩ* (MVA)b/((KV)²b *100)
 ZΩ* (kVA)b/(KV)²b
 ZΩ* (MVA)b*100/(KV)²b

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Power Systems
In which of the following transmission lines capacitance effect is negligible?

 both 1 and 3
 long transmission lines
 shoart transmission lines
 medium transmission lines

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