Power Systems What are the tests performed for oil-filled and gas-filled cables ? Impulse tests. Load cycle tests. All of these. Thermal stability test. Impulse tests. Load cycle tests. All of these. Thermal stability test. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A gas turbine power plant is best suited for None of these. Peak load. Emergency. Base load. None of these. Peak load. Emergency. Base load. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A guard ring is used in string type insulator having 3 units to improve string efficiency. Find the capacitance of metal link 2 if pin to earth capacitance of each unit is 1 F? 2 F 1 F 0.5 F 4 F 2 F 1 F 0.5 F 4 F ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading can be increased by increasing of capacitance value increasing of voltage level increasing of inductance value both 1 and 2 increasing of capacitance value increasing of voltage level increasing of inductance value both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The pu parameters for a 500 MVA machine on its own base are: Inertia, H = 20 pu; reactance X = 2 pu. The pu values of inertia and reactance on 100 MVA common base, respectively, are 100, 10 100, 0.4 4, 0.4 4, 10 100, 10 100, 0.4 4, 0.4 4, 10 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A sort line with R/X ratio 1, the zero regulation is obtained when the power factor of the load is 0.707 leading 0 leading unity 0.5 0.707 leading 0 leading unity 0.5 ANSWER DOWNLOAD EXAMIANS APP