Power Systems The pu parameters for a 500 MVA machine on its own base are: Inertia, H = 20 pu; reactance X = 2 pu. The pu values of inertia and reactance on 100 MVA common base, respectively, are 100, 10 4, 10 100, 0.4 4, 0.4 100, 10 4, 10 100, 0.4 4, 0.4 ANSWER DOWNLOAD EXAMIANS APP
Power Systems By using guard ring in a transmission line, its string efficiency remains unaffected decrease increase None of these remains unaffected decrease increase None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following materials is/are used as moderators? heavy water beryllium All of these graphite heavy water beryllium All of these graphite ANSWER DOWNLOAD EXAMIANS APP
Power Systems The presence of earth in case of overhead lines increase inductance decrease inducatance decrease capacitance increase capacitance increase inductance decrease inducatance decrease capacitance increase capacitance ANSWER DOWNLOAD EXAMIANS APP
Power Systems In hydro power stations what is an enlarged body of water just above the intake and used as a regulating reservoir called Fore bay. Spillways. Reservoir. Penstock. Fore bay. Spillways. Reservoir. Penstock. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Most commonly used material for insulator is All of these mica porcelain glass All of these mica porcelain glass ANSWER DOWNLOAD EXAMIANS APP
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