Power Systems Condition for maximum voltage regulation tanφ = R/X cosφ = X/R tanφ = X/R cosφ = R/X tanφ = R/X cosφ = X/R tanφ = X/R cosφ = R/X ANSWER DOWNLOAD EXAMIANS APP
Power Systems For transmission line which one of the following relation is true? AD - BC = -1 AD + BC = 0 AD - BC = 0 AD - BC = 1 AD - BC = -1 AD + BC = 0 AD - BC = 0 AD - BC = 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems An over current relay, having a current setting of 125% connected to a supply circuit through a current transformer of ratio 500/5. The plug setting multiplier for a fault current of 5 kA is 2 6 5 8 2 6 5 8 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true regarding HVDC? All of these Corona loss is very much reduced in the dc line There is no skin effect in dc line HVDC can utilize earth for its return path All of these Corona loss is very much reduced in the dc line There is no skin effect in dc line HVDC can utilize earth for its return path ANSWER DOWNLOAD EXAMIANS APP
Power Systems What are the methods of laying underground cables? None of these. Direct laying. Draw - in - system / duct - pipe laying. Both A and B. None of these. Direct laying. Draw - in - system / duct - pipe laying. Both A and B. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The water from a catchment is 60*106 cu m annually and hydro station has head of 40 m. Assuming ideal generator and turbine, the power that can be theoretically generated is 300 kW 500 kW 750 kW 250 kW 300 kW 500 kW 750 kW 250 kW ANSWER DOWNLOAD EXAMIANS APP
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