Power Systems An impulse turbine operates by initial complete conversion to kinetic energy. makes use of a draft tube. is most suited for low head and high discharge power plants. always operates submerged. operates by initial complete conversion to kinetic energy. makes use of a draft tube. is most suited for low head and high discharge power plants. always operates submerged. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The arc voltage produced in an AC circuit breaker is always leading the arc current by 90°. lagging the arc current by 90°. in phase with the arc current. in phase opposition with the arc current. leading the arc current by 90°. lagging the arc current by 90°. in phase with the arc current. in phase opposition with the arc current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Hydro-graph is similar to load curve. mass curve. energy load curve. both B and C. load curve. mass curve. energy load curve. both B and C. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which one of following is employed as a moderator by CANDU type of slow thermal nuclear reactors Water. Graphite. Heavy water. Beryllium. Water. Graphite. Heavy water. Beryllium. 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? 1.375 pu 2.4 pu 0.2 pu 3.975 pu 1.375 pu 2.4 pu 0.2 pu 3.975 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems When reactance grounding is used in network, the voltage between neutral and ground is 3×IR0 × Xn both 1 and 3 IR0 × Xn IN × Xn 3×IR0 × Xn both 1 and 3 IR0 × Xn IN × Xn ANSWER DOWNLOAD EXAMIANS APP
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