Power Systems Lightning arresters are used to protect electrical equipment against over currents due to lightning stroke. over voltages due to indirect lightning stroke. power frequency of over voltages. direct strokes of lightning. over currents due to lightning stroke. over voltages due to indirect lightning stroke. power frequency of over voltages. direct strokes of lightning. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which cooling is preferred for large turbine generator Hydrogen cooling. Nitrogen cooling. None of these. Oxygen cooling. Hydrogen cooling. Nitrogen cooling. None of these. Oxygen cooling. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Maximum power capacity of a transmission line can be increased by nether 1 nor 2 either 1 or 2 decreasing reactance value increasing voltage level nether 1 nor 2 either 1 or 2 decreasing reactance value increasing voltage level ANSWER DOWNLOAD EXAMIANS APP
Power Systems The rate of rise of re-striking voltage is dependent upon both 1 and 2 capacitance of the system only inductance of the system only resistance of the system only both 1 and 2 capacitance of the system only inductance of the system only resistance of the system only ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of shunt compensation is/are smooth voltage regulation is possible by controlling excitation All of these It requires less maintanance single unit can be used as both capacitance and inductor by adjusting the excitation smooth voltage regulation is possible by controlling excitation All of these It requires less maintanance single unit can be used as both capacitance and inductor by adjusting the excitation ANSWER DOWNLOAD EXAMIANS APP
Power Systems The presence of earth in case of overhead lines increase capacitance decrease capacitance increase inductance decrease inducatance increase capacitance decrease capacitance increase inductance decrease inducatance ANSWER DOWNLOAD EXAMIANS APP
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