Power Systems What are the methods of laying underground cables? Direct laying. Draw - in - system / duct - pipe laying. Both A and B. None of these. Direct laying. Draw - in - system / duct - pipe laying. Both A and B. None of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For complete protection of 3-phase system from the short circuit faults minimum number of relays required are six one two three six one two three ANSWER DOWNLOAD EXAMIANS APP
Power Systems For 800 MJ stored energy in the rotor at synchronous speed, what is the inertia constant H for a 50 Hz, four pole turbo generator rated 100 MVA, 11 kV? 4 MJ/MVA 8 MJ/MVA 6 MJ/MVA 2 MJ/MVA 4 MJ/MVA 8 MJ/MVA 6 MJ/MVA 2 MJ/MVA ANSWER DOWNLOAD EXAMIANS APP
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. 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. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the methods of improving transient stability? All of these Fast acting governing system Fast acting excitation control Dynamic breaking All of these Fast acting governing system Fast acting excitation control Dynamic breaking 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? 5 pu 6 pu 2 pu 2.67 pu 5 pu 6 pu 2 pu 2.67 pu ANSWER DOWNLOAD EXAMIANS APP