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Power Systems

Power Systems
Units of incremental cost is

 Rs/hr
 MWhr/Rs
 RsMW/hr
 Rs/MWhr

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Power Systems
Surge impedance loading can be increased by

 increasing of voltage level
 both 1 and 2
 increasing of capacitance value
 increasing of inductance value

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Power Systems
The specific speeds of Kaplan, Francis and Pelton turbines are in

 the increasing order.
  the decreasing order.
 neither increasing nor decreasing order.
None of these

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Power Systems
MCB stands for

  miniature circuit breaker.
  molded circuit breaker.
  maximum capacity breaker.
  minimum capacity breaker.

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Power Systems
The main objectives of electrical power transmission is/are

 nether 1 nor 2
 both 1 and 2
 Transmission system must be more efficient with minimum line losses
 Voltage regulation of the transmission line must be zero or minimum

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Power Systems
Which of the following effects are associated with transmission line

 corona effect
All of these
 skin effect
 ferranti effect

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