Power Systems Which of the following produces the radio interference in communication lines? None of these electro static induction both 1 and 2 electro magnetic induction None of these electro static induction both 1 and 2 electro magnetic induction ANSWER DOWNLOAD EXAMIANS APP
Power Systems Aluminium is now most commonly employed conductor material in transmission lines than copper because it is more conductive it is cheaper and lighter its tensile strength is more costlier it is more conductive it is cheaper and lighter its tensile strength is more costlier 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 condenser high energy loss in boilers low alternator efficiency low steam turbine mechanical efficiency high energy loss in condenser high energy loss in boilers low alternator efficiency ANSWER DOWNLOAD EXAMIANS APP
Power Systems Two insulator discs of identical capacitance value C make up a string for a 22 kV, 50 Hz, single phase overhead line insulation system. If pin to earth capacitance is also C, then find the string efficiency? 86%% 50% 75% 90% 86%% 50% 75% 90% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following material is not used as fuse element? Aluminium. Carbon. Silver. Copper. Aluminium. Carbon. Silver. Copper. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a power system with negligible resistance, the fault current at a point is 8.00 pu. The series reactance is to be included at the fault point to limit the short circuit. current to 5.00 pu is 3.000 pu. 0.200 pu. 0.075 pu. 0.125 pu. 3.000 pu. 0.200 pu. 0.075 pu. 0.125 pu. ANSWER DOWNLOAD EXAMIANS APP
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