Power Systems The insulator thickness on the conductor, in cables depends upon power factor current voltage reactive power power factor current voltage reactive power ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following insulator is practically used for railway crossings? All of these string insulator strain insulator pin insulator All of these string insulator strain insulator pin insulator ANSWER DOWNLOAD EXAMIANS APP
Power Systems Condition for zero voltage regulation is cosφ = X/R cosφ = R/X tanφ = X/R tanφ = R/X cosφ = X/R cosφ = R/X tanφ = X/R tanφ = R/X ANSWER DOWNLOAD EXAMIANS APP
Power Systems Fault calculations using computer are usually done by Z bus method None of these Y bus method either 1 or 2 Z bus method None of these Y bus method either 1 or 2 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? 2.4 pu 3.975 pu 1.375 pu 0.2 pu 2.4 pu 3.975 pu 1.375 pu 0.2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems The only place where slip ring induction motors used in thermal power plants is lubrication oil pumps. conveyors. coal handling plant. none of above. lubrication oil pumps. conveyors. coal handling plant. none of above. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS