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Power Systems

Power Systems
Specified quantities of load bus are

 P and Q
 Q and V
 V and δ
 P and δ

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Power Systems
Attenuation occurs due to

 conductance
 inductance
 both 1 and 3
 resistance

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Power Systems
A transmission line has a surge impedance of 400 Ω is connected with the cable having surge impedance of 40 Ω, a surge magnitude of 100 kV is travelling from the transmission line towards the cable. Find the transmitted voltage?

 100 kV
 18.18 kV
 30.6 Kv
 36. 36 kV

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Power Systems
Apart from the skin effect the non uniformity of the current distribution is also caused by

 bundled conductors
All of these
 ferranti effect
 proximity effect

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Power Systems
Efficiency of thermal power plant can be taken as

  turbine efficiency.
  efficiency of thermal cycle.
  generator efficiency.
  product of efficiencies of all stages.

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Power Systems
What is the function of economiser in steam boilers

 improving thermal efficiency
 collect ash particals
 cooling
All of these

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