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Power Systems

Power Systems
Based on the discharge, Kaplan turbine will discharge

 >10000 lpm
 1000 lpm

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Power Systems
Power transmission lines are transposed to reduce

 proximity effect
 ferranti effect
 skin effect
 radio interference

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

 skin effect
 corona effect
 ferranti effect
All of these

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Power Systems
If, for a given alternator in economic operation mode, the incremental cost is given by (0.012 P + 8) Rs/MWh, dPL/dP = 0.2 and plant λ = 25, then power generation is

 750 MW
 1250 MW
 1000 MW
 1500 MW

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Power Systems
Which of the following insulator is practically used for railway crossings?

 string insulator
 pin insulator
All of these
 strain insulator

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

 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
 nether 1 nor 2

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