Power Systems The shape of the disc of an induction disc relay is spiral. circular. none of these. elliptical. spiral. circular. none of these. elliptical. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The amount of ash content in Indian coal 20 %. 60 %. 35 %. 45 %. 20 %. 60 %. 35 %. 45 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In kaplan runner, the number of blades is generally of the order of 12 - 16. 3 - 6. 1 - 2. 16 - 24. 12 - 16. 3 - 6. 1 - 2. 16 - 24. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A guard ring is used in string type insulator having 3 units to improve string efficiency. Find the capacitance of metal link 2 if pin to earth capacitance of each unit is 1 F? 2 F 0.5 F 1 F 4 F 2 F 0.5 F 1 F 4 F ANSWER DOWNLOAD EXAMIANS APP
Power Systems Oxide film arrestor has which of the following properties? Installed at points of transmission line where daily visit is difficult. Both A and B. It is expensive. Does not require daily charging. Installed at points of transmission line where daily visit is difficult. Both A and B. It is expensive. Does not require daily charging. 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? 1 pu 0.098 pu 0.98 pu 1.098 pu 1 pu 0.098 pu 0.98 pu 1.098 pu ANSWER DOWNLOAD EXAMIANS APP