Power Systems Earth fault relay uses the which of the following sequence currents? positive sequence negative sequence any of the above zero sequence positive sequence negative sequence any of the above zero sequence ANSWER DOWNLOAD EXAMIANS APP
Power Systems An alternator having an induced emf of 1.6 pu is connected to an infinite bus of 1 pu. If the bus bar has reactance of 0.6 pu and alternator has reactance of 0.2 pu, what is the maximum power that can be transferred? 6 pu 2.67 pu 5 pu 2 pu 6 pu 2.67 pu 5 pu 2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems By using guard ring in a transmission line, its string efficiency remains unaffected None of these decrease increase remains unaffected None of these decrease increase ANSWER DOWNLOAD EXAMIANS APP
Power Systems Uses of diesel power stations All of these emergency plants. peak load plant. standby plants. All of these emergency plants. peak load plant. standby plants. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The power output from an hydroelectric plants depend on type of dam, type of catchment area and discharge. discharge, system efficiency. type of turbine, type of dam and type of catchment area. type of dam, head, system efficiency. type of dam, type of catchment area and discharge. discharge, system efficiency. type of turbine, type of dam and type of catchment area. type of dam, head, system efficiency. ANSWER DOWNLOAD EXAMIANS APP
Power Systems When reactance grounding is used in network, the voltage between neutral and ground is IN × Xn both 1 and 3 3×IR0 × Xn IR0 × Xn IN × Xn both 1 and 3 3×IR0 × Xn IR0 × Xn ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS