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Power Systems

Power Systems
Which of the following is used in thermal plants

 Rankine cycle
 Joule cycle
All of these
 Otto cycle

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Power Systems
A fuse wire of circular cross-section has a radius of 0.8 mm. The wire blows off at an current of 8 Amp. Calculate the radius of wire that will blow off at an current of 1 amp?

 4 mm.
  0.2 mm.
 2 mm.
 0.4 mm.

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Power Systems
A gas turbine power plant is best suited for

 Peak load.
 Emergency.
 None of these.
 Base load.

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Power Systems
Which of the following statements is/are true? Corona is reduced by

 decreasing the supply frequency
All of these
 increasing the radius of the conductor
 increasing the distance between the conductor

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Power Systems
Pipes carrying steam are generally of

  steel.
 cobalt.
 aluminium.
 cast iron.

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Power Systems
Frequencies must be same in which of the following line to exchange the power from one place to other place ?

 No need of same frequency for exchange of power
 Asynchronous line
 both 1 and 2
 Synchronous line

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