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Power Systems

Power Systems
Range of accelerating factor is

 10.8 to 11.2
 1 to 10
 1.6 to 1.8
 50 to 100

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Power Systems
Which of the following are the fissile materials

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

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Power Systems
Deaerative heating is done to

 heat the feed water.
 heat the steam.
  remove dissolved gases in water.
 remove dissolved.

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Power Systems
Find the number of insulator discs required in string insulator, if operating voltage is 220 kV and maximum voltage of each disc is 11 kV?

 21
 13
 10
 20

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Power Systems
The inductance of single phase two wire line is given by

 0.4×10-7× ln(r'/d) H/m
 0.4×10-7× ln(d/r') H/m
 4×10-7× ln(r'/d) H/m
 4×10-7× ln(d/r') H/m

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Power Systems
The conductor of a 10 Km long single phase, two wire line are separated by a distance of 1.5 m the diameter of each conductor the inductance of the circuit is

 25.8 mH.
 21.2 mH.
 23.33 mH.
  23.8 mH.

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