Power Systems Which device is used for protection of equipment from from damage caused by overload or short circuit? current transformer lightning arrester CVT circuit breaker current transformer lightning arrester CVT circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the number of insulator discs required in string insulator, if operating voltage is 220 kV and maximum voltage of each disc is 11 kV? 10 21 13 20 10 21 13 20 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Transmission line has a length of 300 km, operating at sending end voltage Vs = 1 pu, find the receiving end voltage(Vr) at no load? 0.98 pu 1.098 pu 0.098 pu 1 pu 0.98 pu 1.098 pu 0.098 pu 1 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems On what factors does the selection of a water turbine depend Speed. All of above. Working head. Nature of load. Speed. All of above. Working head. Nature of load. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A load centre is at an equidistant from the two thermal generating stations G1 and G2. The fuel cost characteristics of the generating stations are given by F1 = a + bP1 + cP²1 F2 = a + b P2 + 2cP²2 Where P1 and P2 are the generation in MW of G1 and G2, respectively. For most economic generation to meet 300 MW of load, P1 and P2 respectively, are 100, 200 175, 125 200, 100 150, 150 100, 200 175, 125 200, 100 150, 150 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A fuse wire of circular cross-section has a radius of 0.8 mm. The wire blows off at an current of 8 Amp. Calculate the radius of wire that will blow off at an current of 1 amp? 4 mm. 2 mm. 0.2 mm. 0.4 mm. 4 mm. 2 mm. 0.2 mm. 0.4 mm. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS