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Power Systems

Power Systems
Attenuation occurs due to

 conductance
 resistance
 both 1 and 3
 inductance

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Power Systems
Reheat cycle in thermal power plant is used to

  increase thermal efficiency.
 utilize heat of flue gases.
 improve condenser performance.
 reduce loss of heat.

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Power Systems
Which of the following relays are used in protection of medium transmission lines?

 Admittance relays
 Mho relays
 Impedance relays
 any of the above

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

 Nuclear.
 Hydro Power Plant
 Thermal.
 Gas-turbine.

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Power Systems
For loss less line, find the ratio of length to the wave length of a signal for a phase shift of 0.05 radians?

 2 × 10-3
 8 × 10³
 7.95 × 10³
 7.95 × 10-3

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Power Systems
Which of the following are the fissile materials

 U235, U233 and Pu239.
 U235 and Th239.
  None of these.
 U238 and Th232.

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