Power Systems The presence of earth in case of overhead lines decrease inducatance decrease capacitance increase capacitance increase inductance decrease inducatance decrease capacitance increase capacitance increase inductance ANSWER DOWNLOAD EXAMIANS APP
Power Systems The inertia constant of 100 MVA, 50 Hz, 4 pole generator is 10 MJ/MVA. If the mechanical input to the machine is suddenly raised from 50 MW to 75 MW, the rotor acceleration will be equal to 22.5 electrical degrees/s² 225 electrical degrees/s² 125 electrical degrees/s² 12.5 electrical degrees/s² 22.5 electrical degrees/s² 225 electrical degrees/s² 125 electrical degrees/s² 12.5 electrical degrees/s² ANSWER DOWNLOAD EXAMIANS APP
Power Systems A diesel power plant is generally used as a/an Standby/emergency plant. Peak loads. Any of above. Base load. Standby/emergency plant. Peak loads. Any of above. Base load. 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? 14.7 mA. 1.476 A. 1 A. 14.76 A. 14.7 mA. 1.476 A. 1 A. 14.76 A. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Rankine cycle efficiency of a steam power plant is of 60 - 80 %. 20 - 30 %. 45 - 80 %. 30 - 45 %. 60 - 80 %. 20 - 30 %. 45 - 80 %. 30 - 45 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The power output from an hydroelectric plants depend on type of dam, type of catchment area and discharge. type of turbine, type of dam and type of catchment area. type of dam, head, system efficiency. discharge, system efficiency. type of dam, type of catchment area and discharge. type of turbine, type of dam and type of catchment area. type of dam, head, system efficiency. discharge, system efficiency. ANSWER DOWNLOAD EXAMIANS APP
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