Power Systems The power output from an hydroelectric plants depend on type of turbine, type of dam and type of catchment area. type of dam, head, system efficiency. discharge, system efficiency. type of dam, type of catchment area and discharge. type of turbine, type of dam and type of catchment area. type of dam, head, system efficiency. discharge, system efficiency. type of dam, type of catchment area and discharge. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Zero sequence currents can flow from a line into a transformer bank if the windings are in star / grounded star. ground star / delta. delta / star. delta / delta. star / grounded star. ground star / delta. delta / star. delta / delta. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive, negative and zero sequence per unit impedance of two generators connected in parallel are X1 = 0.12 pu, X2 = 0.096 pu and X0 = 0.036 pu. For LG fault at generator terminals (with 1 pu voltage) the positive sequence current will be 7.936 pu 8.936 pu 10.936 pu 9.936 pu 7.936 pu 8.936 pu 10.936 pu 9.936 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems If we increase the spacing between the phase conductors, the line capacitance None of these remains unaffected decreases increases None of these remains unaffected decreases increases ANSWER DOWNLOAD EXAMIANS APP
Power Systems Four identical alternators each are rated for 20 MVA, 11 KV having a subtransient reactance of 16% are working in parallel. The short circuit level at the busbar is 500 MVA 100 MVA 125 MVA 400 MVA 500 MVA 100 MVA 125 MVA 400 MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems For head and low discharge the water turbine used Kaplan wheel. Pelton wheel. Francis turbine. propeller turbine. Kaplan wheel. Pelton wheel. Francis turbine. propeller turbine. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS