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Power Systems

Power Systems
Find the value of a729, where "a" is the operator

 0
 α
 α²
 1

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Power Systems
For transmission line which one of the following relation is true?

 AD + BC = 0
 AD - BC = 1
 AD - BC = -1
 AD - BC = 0

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Power Systems
Condition for zero voltage regulation is

 cosφ = X/R
 tanφ = R/X
 cosφ = R/X
 tanφ = X/R

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Power Systems
Based on the discharge, Kaplan turbine will discharge

 1000 lpm
 >10000 lpm

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Power Systems
Which device is used for protection of equipment from from damage caused by overload or short circuit?

 lightning arrester
 circuit breaker
 current transformer
 CVT

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Power Systems
Which of the following power plants needs highly skilled/qualified engineers for its operation

 Hydro Power Plant
 Thermal.
 Gas-turbine.
 Nuclear.

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