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Power Systems

Power Systems
Pipes carrying steam are generally of

 cast iron.
  steel.
 cobalt.
 aluminium.

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Power Systems
The insulator thickness on the conductor, in cables depends upon

 voltage
 reactive power
 power factor
 current

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Power Systems
Find the number of strands of ACSR conductor for 4 layer transmission line?

 29
 7
 1
 37

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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

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

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Power Systems
Pelton turbine is a ----------- turbine

 axial flow
 impulsive
 inward radial flow
 any of the above

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Power Systems
A transmission line has self and mutual impedances of 0.8 pu and 0.2 pu. Find the positive, negative and zero sequence impedances respectively?

 0.6, 0.8 and 1.2 pu
 0.6, 0.6 and 1.2 pu
 0.8, 0.6 and 1.2 pu
 0.8, 0.8 and 1.2 pu

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