Power Systems In a biased differential relay the bias is defined as the ratio of fault current and operating coil current. fault current and restraining coil current. operating coil current and restraining coil current. number of turns of restraining and operating coil. fault current and operating coil current. fault current and restraining coil current. operating coil current and restraining coil current. number of turns of restraining and operating coil. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following contributes to the Rankine cycle efficiency improvement in a thermal power plant Reheat of steam an intermediate stages. Use of steam for heating of boiler feed water. All of these Use of high pressure. Reheat of steam an intermediate stages. Use of steam for heating of boiler feed water. All of these Use of high pressure. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Maximum power capacity of a transmission line can be increased by either 1 or 2 increasing voltage level decreasing reactance value nether 1 nor 2 either 1 or 2 increasing voltage level decreasing reactance value nether 1 nor 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The flow duration curve at a given head of a hydroelectric plant is used to determine diversity factor for the plant. total units of energy available. load factory at the plant. total power available at the site. diversity factor for the plant. total units of energy available. load factory at the plant. total power available at the site. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If in a line, resistance and reactance are found to be equal and regulation is zero, then load will have 0.707 leading power factor zero power factor unity power factor 0.707 lagging power factor 0.707 leading power factor zero power factor unity power factor 0.707 lagging power factor ANSWER DOWNLOAD EXAMIANS APP
Power Systems A diesel power station has fuel consumption of 0.28 Kg per kWh. The calorific value of fuel is being 10000 KCal / kg. Determine the overall efficiency 30.7 %. 40 %. 30.26 %. 40.85 %. 30.7 %. 40 %. 30.26 %. 40.85 %. ANSWER DOWNLOAD EXAMIANS APP