Power Systems The pickup value of relay is 6.5 Amp and fault current in relay coil is 39 Amp. Its plug setting multiplier is 7 A. 8 A. 6 A. 10 A. 7 A. 8 A. 6 A. 10 A. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following produces the radio interference in communication lines? both 1 and 2 electro magnetic induction None of these electro static induction both 1 and 2 electro magnetic induction None of these electro static induction ANSWER DOWNLOAD EXAMIANS APP
Power Systems The steam power plant efficiency can be improved by 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. using large quantity of water. using high temperature and high pressure steam. burning large amount of coal. ANSWER DOWNLOAD EXAMIANS APP
Power Systems As the frequency of the system is increased, the charging MVAR increases decreases remains unaffected None of these increases decreases remains unaffected None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The characteristic impedance of a transmission on line is Inversely proportional to its length. Independent of its length. Directly proportional to its length. Directly proportional to square root of its length. Inversely proportional to its length. Independent of its length. Directly proportional to its length. Directly proportional to square root of its length. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power system network has n nodes, Z33 of its bus impedance matrix is j0.5 pu. The voltage at node 3 is 1.3∠ -10°. If capacitor is having reactance of -j3.5 pu is now added to the network between node 3 and reference node, the current drawn by the capacitor in pu is 0.725∠ 80° 0.325∠ -100° 0.433∠ 80° 0.371∠ -100° 0.725∠ 80° 0.325∠ -100° 0.433∠ 80° 0.371∠ -100° ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS