Power Systems Which turbine is ideally suited to pumped storage plants Francis. Kaplan. Pelton. Impeller. Francis. Kaplan. Pelton. Impeller. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The maximum efficiency of modern coal fired steam steam raising thermal power plants is restricted to about 0.35( a low value), mainly because of low steam turbine mechanical efficiency high energy loss in boilers high energy loss in condenser low alternator efficiency low steam turbine mechanical efficiency high energy loss in boilers high energy loss in condenser low alternator efficiency ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? Corona is reduced by decreasing the supply frequency increasing the radius of the conductor All of these increasing the distance between the conductor decreasing the supply frequency increasing the radius of the conductor All of these increasing the distance between the conductor 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 100 ohm. A resistance of j300 ohm. A resistance of j100/3 ohm. A resistance of 100/3 ohm. A resistance of 100 ohm. A resistance of j300 ohm. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The per unit impedance of a circuit element is 0.30. If the base kV and base MVA are halved, then the new value of the per unit impedance of the circuit element will be 0.30 0.0060 0.0030 0.60 0.30 0.0060 0.0030 0.60 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relay is usually employed for protection of short transmission lines only medium transmission lines only long transmission lines only any line short transmission lines only medium transmission lines only long transmission lines only any line ANSWER DOWNLOAD EXAMIANS APP
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