Power Systems The fact that current density is higher at the surface when compared to centre is known as All of these carona skin effect proximity effect All of these carona skin effect proximity effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems A coal fired steam power station working at a plant factor of 80% has one 500 MW generating unit. If the heat content of coal is 2 kWh/kg, the overall plant efficiency is 40% and a train load of coal is 2000 metric tons, then the number of trains required daily for the plant is 16 2 10 6 16 2 10 6 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The arc voltage produced in an AC circuit breaker is always in phase with the arc current. leading the arc current by 90°. lagging the arc current by 90°. in phase opposition with the arc current. in phase with the arc current. leading the arc current by 90°. lagging the arc current by 90°. in phase opposition with the arc current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems On what factor does the performance of a circuit breaker depend? Critical length of breaking. Breaking speed. None of these. Both A and C. Critical length of breaking. Breaking speed. None of these. Both A and C. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The unit protection scheme provides remote protection. back up protection. simultaneous protection. primary protection. remote protection. back up protection. simultaneous protection. primary protection. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The annual depreciation of hydro power plant is about 10 - 15 %. 20 - 25 %. 0.5 - 1.5 %. 15 - 20 %. 10 - 15 %. 20 - 25 %. 0.5 - 1.5 %. 15 - 20 %. ANSWER DOWNLOAD EXAMIANS APP
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