Power Systems A string type insulator has three units with self capacitance C and ground capacitance of 0.2 C having a string efficiency of 80% 78% 82% 76% 80% 78% 82% 76% ANSWER DOWNLOAD EXAMIANS APP
Power Systems What will be the thermal efficiency of a 240 V, 1000 W electric kettle if it brings 2 liters of water at 15° C to boiling point 15 Minutes 78.96 %. 79.33 %. 74.56 %. 80.25 %. 78.96 %. 79.33 %. 74.56 %. 80.25 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems IF the time of operation of a relay for unity TMS is 10 sec then the time of operation for 0.5 TMS is 10 sec. 20 sec. none of these. 5 sec. 10 sec. 20 sec. none of these. 5 sec. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Ideal plant load cfactor is 0 1 greater than 1 less than 1 0 1 greater than 1 less than 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relays is/are unit protection relays? Buccholz relays over current relays both 1 and 2 Differential relays Buccholz relays over current relays both 1 and 2 Differential relays 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 high energy loss in condenser high energy loss in boilers low steam turbine mechanical efficiency low alternator efficiency high energy loss in condenser high energy loss in boilers low steam turbine mechanical efficiency low alternator efficiency ANSWER DOWNLOAD EXAMIANS APP
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