Power Systems Which of the following relays are used in protection of medium transmission lines? Mho relays Admittance relays any of the above Impedance relays Mho relays Admittance relays any of the above Impedance relays ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the percentage reactance of an element is 20 % and the full load current is 50 Amp, the short circuit current will be 300 Amp. 200 Amp. 350 Amp. 250 Amp. 300 Amp. 200 Amp. 350 Amp. 250 Amp. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading of a line is increased by which of the following compensation methods? both 1 and 2 shunt reactor series capacitor shunt capacitor both 1 and 2 shunt reactor series capacitor shunt capacitor ANSWER DOWNLOAD EXAMIANS APP
Power Systems The arc voltage produced in an AC circuit breaker is always in phase with the arc current. in phase opposition with the arc current. leading the arc current by 90°. lagging the arc current by 90°. in phase with the arc current. in phase opposition with the arc current. leading the arc current by 90°. lagging the arc current by 90°. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Per unit of any quantity is defined as actual value of quantity /base value of quantity in different units base value of quantity /actual value of quantity in same units base value of quantity /actual value of quantity in different units actual value of quantity /base value of quantity in same units actual value of quantity /base value of quantity in different units base value of quantity /actual value of quantity in same units base value of quantity /actual value of quantity in different units actual value of quantity /base value of quantity in same units ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following matrix is used for load flow studies? Z bus matrix Unit matrix Y bus matrix null matrix Z bus matrix Unit matrix Y bus matrix null matrix ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS