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Power Systems

Power Systems
Surge tank is kept very close to the

 generator
 turbine
 pen stock
 spill way

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Power Systems
Which of the following will take least time in starting from cold condition to full load operation

 Thermal power plant.
  Hydro electric power plant.
 Nuclear power plant.
 Gas turbine plant.

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Power Systems
Find the characteristic impedance of a transmission line, if impedance is 16 Ω and admittance is 0.1 mâ„§?

 400 Ω
 160 Ω
 320 Ω
 200 Ω

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Power Systems
Nuclear reactors usually employ

 fusion.
 none of above.
 both of A and B.
  fission.

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Power Systems
Making current is a------------ value?

 average
 peak value
 any of the above
 RMS

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Power Systems
The positive, negative and zero sequence per unit impedance of two generators connected in parallel are X1 = 0.12 pu, X2 = 0.096 pu and X0 = 0.036 pu. For LG fault at generator terminals (with 1 pu voltage) the positive sequence current will be

 9.936 pu
 8.936 pu
 7.936 pu
 10.936 pu

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