Power Systems Plug setting of a relay can be altered by varying none of these. no. of ampere-turns. adjustable back up stop. air gap of magnetic path. none of these. no. of ampere-turns. adjustable back up stop. air gap of magnetic path. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Deaerative heating is done to heat the steam. remove dissolved. heat the feed water. remove dissolved gases in water. heat the steam. remove dissolved. heat the feed water. remove dissolved gases in water. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In an interconnected power system, the most suitable power plant to meet the peak load condition is thermal plant nuclear plant hydro power plant pumped storage plant thermal plant nuclear plant hydro power plant pumped storage plant ANSWER DOWNLOAD EXAMIANS APP
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 8 MJ/MVA 4 MJ/MVA 16 MJ/MVA 2 MJ/MVA 8 MJ/MVA 4 MJ/MVA 16 MJ/MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generator has reactances of sub transient (X")= 0.5 pu, transient (X') = 0.8 pu and synchronous reactance (X) = 5 pu. The voltages at these reactances are 1.2 V, 1.1 V and 1 V respectively. Find the corresponding sub transient fault current in pu? 2.4 pu 0.2 pu 3.975 pu 1.375 pu 2.4 pu 0.2 pu 3.975 pu 1.375 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems The arc voltage produced in an AC circuit breaker is always leading the arc current by 90°. in phase opposition with the arc current. lagging the arc current by 90°. in phase with the arc current. leading the arc current by 90°. in phase opposition with the arc current. lagging the arc current by 90°. in phase with the arc current. ANSWER DOWNLOAD EXAMIANS APP
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