Power Systems The per unit value of a 2 ohm resistor at 100 MVA and 10 kV base voltage is 0.2 pu 0.5 pu 2 pu 4 pu 0.2 pu 0.5 pu 2 pu 4 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the inertia constant H = 10 MJ/MVA for a 50 MVA generator, the stored energy is 500 MJ 50 MJ 10 MJ 5 MJ 500 MJ 50 MJ 10 MJ 5 MJ ANSWER DOWNLOAD EXAMIANS APP
Power Systems Condition for maximum voltage regulation cosφ = X/R tanφ = X/R tanφ = R/X cosφ = R/X cosφ = X/R tanφ = X/R tanφ = R/X cosφ = R/X ANSWER DOWNLOAD EXAMIANS APP
Power Systems Demand factor of a plant is 1 less than 1 greater than 1 0 1 less than 1 greater than 1 0 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string insulator has 4 units. The voltage across bottom most unit is 10 kV and its efficiency is 90%. Find the total operating phase voltage? 40 kV 32 kV 45 kV 36 kV 40 kV 32 kV 45 kV 36 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems On what factor does the performance of a circuit breaker depend? None of these. Critical length of breaking. Both A and C. Breaking speed. None of these. Critical length of breaking. Both A and C. Breaking speed. ANSWER DOWNLOAD EXAMIANS APP
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