Power Systems Frequencies must be same in which of the following line to exchange the power from one place to other place ? Asynchronous line both 1 and 2 No need of same frequency for exchange of power Synchronous line Asynchronous line both 1 and 2 No need of same frequency for exchange of power Synchronous line ANSWER DOWNLOAD EXAMIANS APP
Power Systems A hydro power plant of run off river type should be provided with pondage so that the firm capacity of plant is increased. kinetic energy of the running water is fully utilized. pressure inside the turbine casing remains. operating head is controlled. firm capacity of plant is increased. kinetic energy of the running water is fully utilized. pressure inside the turbine casing remains. operating head is controlled. ANSWER DOWNLOAD EXAMIANS APP
Power Systems IF the time of operation of a relay for unity TMS is 10 sec then the time of operation for 0.5 TMS is 5 sec. 20 sec. 10 sec. none of these. 5 sec. 20 sec. 10 sec. none of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are used to protect electrical equipment against direct strokes of lightning. over currents due to lightning stroke. power frequency of over voltages. over voltages due to indirect lightning stroke. direct strokes of lightning. over currents due to lightning stroke. power frequency of over voltages. over voltages due to indirect lightning stroke. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The rate of rise of restricting voltage depends upon the Inductance of the system. Type of CB. Inductance and capacitance of the system. Capacitance of the system. Inductance of the system. Type of CB. Inductance and capacitance of the system. Capacitance of the system. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Bundled conductors in EHV transmission lines decrease capacitance increase inductance increase capacitance decrease inducatance decrease capacitance increase inductance increase capacitance decrease inducatance ANSWER DOWNLOAD EXAMIANS APP
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