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Power Systems

Power Systems
Reflector of a nuclear reactor are made up of

 steel.
  beryllium.
  boron.
 cast iron.

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Power Systems
The characteristic impedance of a transmission on line is

 Inversely proportional to its length.
 Directly proportional to its length.
 Directly proportional to square root of its length.
  Independent of its length.

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Power Systems
A network containing 100 buses in which 10 are the voltage control buses, 5 are fixed shunt capacitor buses, 20 are the reactive power support buses, 6 are the generator buses. Find the size of the Jacobian matrix?

 163 × 163
 164 × 164
 165 × 165
 162 × 162

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Power Systems
Advantages of per unit system is/are

 It has units for all quantities
 No units for any quantity
All of these
 Need of transformation ratio

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Power Systems
Pumped storage plant is a

None of these
 both 1 and 2
 peak load plant
 base load 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„§?

 320 Ω
 160 Ω
 400 Ω
 200 Ω

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