Power Systems In a biased differential relay the bias is defined as the ratio of fault current and operating coil current. number of turns of restraining and operating coil. operating coil current and restraining coil current. fault current and restraining coil current. fault current and operating coil current. number of turns of restraining and operating coil. operating coil current and restraining coil current. fault current and restraining coil current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In thermal power stations, economiser will both 2 and 3 increase the thermal efficiency reduce the heat reduce the thermal efficiency both 2 and 3 increase the thermal efficiency reduce the heat reduce the thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following power plants can generate power at unpredictable or uncontrollable time Condenser. Cooling tower. Wind turbine. Pulverising unit. Condenser. Cooling tower. Wind turbine. Pulverising unit. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mercury is choice with steam in binary vapor cycle because higher critical temperature and pressure. all of above. higher saturation temperature than other fluids. relative low vaporization pressure. higher critical temperature and pressure. all of above. higher saturation temperature than other fluids. relative low vaporization pressure. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In case of failure of prime mover of the generator, which type of relay is used? impedance relay reverse power relay offset mho relay distance relays impedance relay reverse power relay offset mho relay distance relays ANSWER DOWNLOAD EXAMIANS APP
Power Systems The area under a flow duration curve represents maximum rate of run-off during the period. total of units of energy available. total power available. total quantity of run-off during that period. maximum rate of run-off during the period. total of units of energy available. total power available. total quantity of run-off during that period. ANSWER DOWNLOAD EXAMIANS APP