Power Systems A thermal protection relay provides protection against what? Over load Temperature any of the above Short circuit Over load Temperature any of the above Short circuit ANSWER DOWNLOAD EXAMIANS APP
Power Systems Proximity effect is more in case of over head lines None of these same in both cases power cables over head lines None of these same in both cases power cables ANSWER DOWNLOAD EXAMIANS APP
Power Systems To reduce the radio interference which line is/are transposed? None of these either 1 or 2 Power line Both power and telecommunication lines None of these either 1 or 2 Power line Both power and telecommunication lines ANSWER DOWNLOAD EXAMIANS APP
Power Systems The VSWR of transmission line is Directly proportional to load impedance and inversely to characteristic impedance. Directly proportional to voltage minimum and inversely proportional to voltage maximum. Proportional to load and characteristic impedance. Directly proportional to characteristic impedance and inversely to load impedance. Directly proportional to load impedance and inversely to characteristic impedance. Directly proportional to voltage minimum and inversely proportional to voltage maximum. Proportional to load and characteristic impedance. Directly proportional to characteristic impedance and inversely to load impedance. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The time taken by the turbine to fall to 0 rpm speed from 3000 rpm is called coasting time. damping time. settling time. stopping time. coasting time. damping time. settling time. stopping time. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Operating cost of thermal power station is less than that of nuclear power plant. is the same as that of nuclear power plant. less than that of diesel power plant. less than that of hydroelectric power plant. less than that of nuclear power plant. is the same as that of nuclear power plant. less than that of diesel power plant. less than that of hydroelectric power plant. ANSWER DOWNLOAD EXAMIANS APP