Power Systems The most commonly used material for insulators of overhead lines is porcelain mica PVC glass porcelain mica PVC glass ANSWER DOWNLOAD EXAMIANS APP
Power Systems The rate of rise of restricting voltage depends upon the Type of CB. Inductance of the system. Capacitance of the system. Inductance and capacitance of the system. Type of CB. Inductance of the system. Capacitance of the system. Inductance and capacitance of the system. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If sag in an overhead line increase, tension in the line remains same increase decrease None of these remains same increase decrease None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The main objectives of power system is/are Flexible power has to be available. Reliable power has to be available Cost of electrical energy per KWh is to be minimum All of these Flexible power has to be available. Reliable power has to be available Cost of electrical energy per KWh is to be minimum All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Where is the draft tube of a hydroelectric plant that is an airtight pipe located In between the penstock and runner. At the beginning of the penstock. Near the surge tank. In between the runner exhaust and the tail race. In between the penstock and runner. At the beginning of the penstock. Near the surge tank. In between the runner exhaust and the tail race. 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 2 6 5 8 2 6 5 8 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS