Power Systems The fact that current density is higher at the surface when compared to centre is known as carona skin effect proximity effect All of these carona skin effect proximity effect All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which material is used in controlling chain reaction in a nuclear reactor Boron. Beryllium. Thorium. Heavy water. Boron. Beryllium. Thorium. Heavy water. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The presence of earth in case of overhead lines decrease inducatance decrease capacitance increase capacitance increase inductance decrease inducatance decrease capacitance increase capacitance increase inductance 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? 6 MJ/MVA 2 MJ/MVA 8 MJ/MVA 4 MJ/MVA 6 MJ/MVA 2 MJ/MVA 8 MJ/MVA 4 MJ/MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems a 50 Hz, 3-phase synchronous generator has inductance per phase of 15 mH. The capacitance of the generator and circuit breaker is 0.002 µF. What is its natural frequency? 2.9 kHz 29 kHz 29 MHz 290 kHz 2.9 kHz 29 kHz 29 MHz 290 kHz ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase breaker is rated at 2000 MVA, 33 kV, its making current will be 70 kVA. 35 kVA. 49 kVA. 89.22 kVA. 70 kVA. 35 kVA. 49 kVA. 89.22 kVA. ANSWER DOWNLOAD EXAMIANS APP