Power Systems A thermal protection relay provides protection against what? Temperature any of the above Over load Short circuit Temperature any of the above Over load Short circuit ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has an impedance of (2+j6) Ω has voltage regulation of 10% at a load power factor of 0.8 lag. Find the voltage regulation for a load of 0.6 lead 6.92% -6.92% 10% -10% 6.92% -6.92% 10% -10% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Non-commercial sources of energy are fossil fuel, hydro power and nuclear power. solar, wind and biomass. None of these wood, animal wastes and agricultural wastes. fossil fuel, hydro power and nuclear power. solar, wind and biomass. None of these wood, animal wastes and agricultural wastes. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pipes carrying steam are generally of cobalt. aluminium. steel. cast iron. cobalt. aluminium. steel. cast iron. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generated station has a maximum demand of 30 MW, a load factor of 60% and a plant capacity factor of 50%. The reserve capacity of the plant is 5 MW 12 MW 6 MW 10 MW 5 MW 12 MW 6 MW 10 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generator has reactances of sub transient (X")= 0.5 pu, transient (X') = 0.8 pu and synchronous reactance (X) = 5 pu. The voltages at these reactances are 1.2 V, 1.1 V and 1 V respectively. Find the corresponding sub transient fault current in pu? 0.2 pu 3.975 pu 2.4 pu 1.375 pu 0.2 pu 3.975 pu 2.4 pu 1.375 pu ANSWER DOWNLOAD EXAMIANS APP
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