Power Systems The voltage and current instantaneous values are given as 5 sin (ωt + 30°) pu and 2 sin (ωt - 15°) pu respectively. Find the per unit active power? 5 pu 3.535 pu 5.353 pu 7 pu 5 pu 3.535 pu 5.353 pu 7 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a transmission line the insulators to be used at the dead end or sharp curves are any of the above strain type suspension type pin type insulator any of the above strain type suspension type pin type insulator ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following material is not used as fuse element? Copper. Silver. Carbon. Aluminium. Copper. Silver. Carbon. Aluminium. 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 Reservoir. Penstock. Spillways. Fore bay. Reservoir. Penstock. Spillways. Fore bay. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power station has a maximum demand of 15000 kW. The annual load factor is 50% and plant capacity factor is 40%. What is the reserve capacity of the plant? 3750 kW 7500 kW 6000 kW 3000 kW 3750 kW 7500 kW 6000 kW 3000 kW ANSWER DOWNLOAD EXAMIANS APP
Power Systems The SWR on a lossless transmission line of the characteristic impedance 100 ohm is 3. The line is the terminated by A resistance of j100/3 ohm. A resistance of 100/3 ohm. A resistance of j300 ohm. A resistance of 100 ohm. A resistance of j100/3 ohm. A resistance of 100/3 ohm. A resistance of j300 ohm. A resistance of 100 ohm. ANSWER DOWNLOAD EXAMIANS APP
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