Power Systems A string insulator has 4 units. The voltage across the bottom most unit is 33.33% of total voltage. Its string efficiency is 33.33% 66.66% 25% 75% 33.33% 66.66% 25% 75% ANSWER DOWNLOAD EXAMIANS APP
Power Systems The skin effect of conductor will increase when resistivity decrease frequency decrease All of these diameter decrease resistivity decrease frequency decrease All of these diameter decrease ANSWER DOWNLOAD EXAMIANS APP
Power Systems If sparsity of a 5 bus transmission line is 0.4. Find the number of transmission lines? 3 4 5 6 3 4 5 6 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has 50 km operating at frequency of 500 Hz. Find the type of the line? any of the above medium transmission line long transmission line short transmission line any of the above medium transmission line long transmission line short transmission line ANSWER DOWNLOAD EXAMIANS APP
Power Systems The radiation shield for a nuclear power reactor for biological safety is provided by having the reactor encased thick metal wall. isolated from outside word with strong magnetic field. encased by thick concrete wall. immersed in water pool. encased thick metal wall. isolated from outside word with strong magnetic field. encased by thick concrete wall. immersed in water pool. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the methods of improving transient stability? Dynamic breaking Fast acting excitation control All of these Fast acting governing system Dynamic breaking Fast acting excitation control All of these Fast acting governing system ANSWER DOWNLOAD EXAMIANS APP