Power Systems The presence of earth in case of overhead lines increase capacitance decrease inducatance increase inductance decrease capacitance increase capacitance decrease inducatance increase inductance decrease capacitance ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are used to protect electrical equipment against direct strokes of lightning. power frequency of over voltages. over currents due to lightning stroke. over voltages due to indirect lightning stroke. direct strokes of lightning. power frequency of over voltages. over currents due to lightning stroke. over voltages due to indirect lightning stroke. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has self and mutual impedances are 0.8 and 0 pu respectively. Find the positive, negative and zero sequence impedances respectively? 0.6, 0.6 and 1.2 pu 0.6, 0.8 and 1.2 pu 0.6, 0.6 and 0.6 pu 0.8, 0.8 and 0.8 pu 0.6, 0.6 and 1.2 pu 0.6, 0.8 and 1.2 pu 0.6, 0.6 and 0.6 pu 0.8, 0.8 and 0.8 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems If we increase the spacing between the phase conductors, the value of line inductance remains unaffected None of these decrease increase remains unaffected None of these decrease increase ANSWER DOWNLOAD EXAMIANS APP
Power Systems An over current relay, having a current setting of 125% connected to a supply circuit through a current transformer of ratio 500/5. The plug setting multiplier for a fault current of 5 kA is 6 5 2 8 6 5 2 8 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Where do compounding done in thermal power plants Ash handling plant. Coal handling plant. Turbine. Generator. Ash handling plant. Coal handling plant. Turbine. Generator. ANSWER DOWNLOAD EXAMIANS APP