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Power Systems

Power Systems
Pelton turbine is a ----------- turbine

 any of the above
 inward radial flow
 axial flow
 impulsive

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Power Systems
Phase shift occurs due to which of the following components?

 inductance
 conductance
 both 1 and 2
 capacitance

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Power Systems
What type of back up protection is used for alternators?

  Buchholz relay.
  Mho relay.
  IDMT relay.
  Impedance relay.

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Power Systems
Thermal shielding is provided to

 protected the operating personal from exposure to radiations.
All of these
 prevent the reactor wall from getting heated.
 absorb the fast neutron.

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Power Systems
An ACSR conductor has a diameter of 2 cm has internal inductance of 0.05 mH/Km. If this ACSR is replaced with another having a diameter of 4 cm then its internal inductance is

 0.025 mH/Km
 0.1 mH/Km
 0 mH/Km
 0.05 mH/Km

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Power Systems
On what factors does the selection of a water turbine depend

 Working head.
 Speed.
 Nature of load.
  All of above.

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