Power Systems Bonding is done at the both ends of the cable to reduce the None of these copper loss sheath loss iron loss None of these copper loss sheath loss iron loss ANSWER DOWNLOAD EXAMIANS APP
Power Systems When is the ferranti effect on long overhead lines experienced? The power factor is unity The line is lightly loaded The line is fully loaded The line is heavily loaded The power factor is unity The line is lightly loaded The line is fully loaded The line is heavily loaded ANSWER DOWNLOAD EXAMIANS APP
Power Systems The steam power plant efficiency can be improved by using large quantity of water. using high temperature and high pressure steam. burning large amount of coal. decreasing the load on the plant. using large quantity of water. using high temperature and high pressure steam. burning large amount of coal. decreasing the load on the plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relays is/are unit protection relays? Buccholz relays both 1 and 2 over current relays Differential relays Buccholz relays both 1 and 2 over current relays Differential relays ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulator thickness on the conductor, in cables depends upon power factor reactive power current voltage power factor reactive power current voltage 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, 0.6 and 0.6 pu 0.6, 0.8 and 1.2 pu 0.8, 0.8 and 0.8 pu 0.6, 0.6 and 1.2 pu 0.6, 0.6 and 0.6 pu 0.6, 0.8 and 1.2 pu 0.8, 0.8 and 0.8 pu ANSWER DOWNLOAD EXAMIANS APP