Power Systems Two identical synchronous machines having same inertia constant are connected in parallel and swinging together. The effective inertia constant is 4 MJ/MVA. Then each machine has inertia constant of 2 MJ/MVA 16 MJ/MVA 4 MJ/MVA 8 MJ/MVA 2 MJ/MVA 16 MJ/MVA 4 MJ/MVA 8 MJ/MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which one of the following relays has the capability of anticipating the possible major fault in a transformer? Over fluxing relay Over current relay Differential relay Buchholz relay Over fluxing relay Over current relay Differential relay Buchholz relay ANSWER DOWNLOAD EXAMIANS APP
Power Systems Calorific value of solid fuel is expressed as KCal / lt. KCal / gm. Cal / lt. Cal / gm. KCal / lt. KCal / gm. Cal / lt. Cal / gm. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal power station needs space less than that required by hydro-power station of same capacity. less than that required by atomic power station of the same output. less than that required by a gas turbine power plant of same output. less than that required by the diesel power station of same output. less than that required by hydro-power station of same capacity. less than that required by atomic power station of the same output. less than that required by a gas turbine power plant of same output. less than that required by the diesel power station of same output. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mercury is choice with steam in binary vapor cycle because higher critical temperature and pressure. higher saturation temperature than other fluids. relative low vaporization pressure. all of above. higher critical temperature and pressure. higher saturation temperature than other fluids. relative low vaporization pressure. all of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Keeping in view the cost and overall effectiveness, the following circuit breaker is best suited for capacitor bank switching? Oil CB. SF6 CB. Vacuum CB. Air blast CB. Oil CB. SF6 CB. Vacuum CB. Air blast CB. ANSWER DOWNLOAD EXAMIANS APP