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Power Systems

Power Systems
Which of the following plants is/are base load plants

 both 1 and 2
 nuclear
 pump storage
 run off river

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Power Systems
The characteristic impedance of a transmission line is

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

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Power Systems
When a nuclear reaction is operating at constant power the multiplication factor is

 greater than 1.
 less than 1.
 may be any of the above.
  1.

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Power Systems
A string insulator has 4 units. The voltage across the bottom most unit is 33.33% of total voltage. Its string efficiency is

 33.33%
 66.66%
 25%
 75%

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Power Systems
The charging reactance of 50 km transmission line is 1500 Ω. What is the charging reactance for 100 km length of line?

 1500 Ω
 1000 Ω
 3000 Ω
 750 Ω

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Power Systems
Which of the following is used in thermal plants

 Otto cycle
All of these
 Joule cycle
 Rankine cycle

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