Power Systems An impulse turbine is most suited for low head and high discharge power plants. always operates submerged. makes use of a draft tube. operates by initial complete conversion to kinetic energy. is most suited for low head and high discharge power plants. always operates submerged. makes use of a draft tube. operates by initial complete conversion to kinetic energy. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the inertia constant H = 8 MJ/MVA for a 50 MVA generator, the stored energy is 400 MJ 200 MJ 8 MJ 50 MJ 400 MJ 200 MJ 8 MJ 50 MJ ANSWER DOWNLOAD EXAMIANS APP
Power Systems On what factor does the performance of a circuit breaker depend? None of these. Breaking speed. Both A and C. Critical length of breaking. None of these. Breaking speed. Both A and C. Critical length of breaking. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Phase shift occurs due to which of the following components? inductance both 1 and 2 capacitance conductance inductance both 1 and 2 capacitance conductance ANSWER DOWNLOAD EXAMIANS APP
Power Systems Uses of diesel power stations standby plants. emergency plants. peak load plant. All of these standby plants. emergency plants. peak load plant. All of these 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? 0.2 pu 1.375 pu 3.975 pu 2.4 pu 0.2 pu 1.375 pu 3.975 pu 2.4 pu ANSWER DOWNLOAD EXAMIANS APP