Power Systems In hydroelectric power plants operating cost is low and initial cost is high. both operating and initial cost are high. both operating and initial cost are low. operating cost is high and initial cost is low. operating cost is low and initial cost is high. both operating and initial cost are high. both operating and initial cost are low. operating cost is high and initial cost is low. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In relay coil which is used? Instrument transformer. Current transformer. Potential transformer. Power transformer. Instrument transformer. Current transformer. Potential transformer. Power transformer. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The power output of a nuclear power station is proportional to square of the rate at which fission reaction occurs. the rate at which fission reaction occurs. none of above. square root of the rate at which fission reaction occurs. square of the rate at which fission reaction occurs. the rate at which fission reaction occurs. none of above. square root of the rate at which fission reaction occurs. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal protection relay provides protection against what? Over load Short circuit Temperature any of the above Over load Short circuit Temperature any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems Main bus bar protection scheme is /are differential protection. both fault bus and differential protection. fault bus protection. none of these. differential protection. both fault bus and differential protection. fault bus protection. none of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3 core cable gives on test a capacitance of 3.7 µF between two cores. Find the line charging current of the cable when it is connected to 11 kV, 50 Hz system? 1.476 A. 14.76 A. 1 A. 14.7 mA. 1.476 A. 14.76 A. 1 A. 14.7 mA. ANSWER DOWNLOAD EXAMIANS APP
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