Power Systems If in a line, resistance and reactance are found to be equal and regulation is zero, then load will have unity power factor zero power factor 0.707 leading power factor 0.707 lagging power factor unity power factor zero power factor 0.707 leading power factor 0.707 lagging power factor 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. encased by thick concrete wall. immersed in water pool. isolated from outside word with strong magnetic field. encased thick metal wall. encased by thick concrete wall. immersed in water pool. isolated from outside word with strong magnetic field. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following insulator is practically used for railway crossings? strain insulator pin insulator string insulator All of these strain insulator pin insulator string insulator All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Plug setting of a relay can be altered by varying adjustable back up stop. none of these. no. of ampere-turns. air gap of magnetic path. adjustable back up stop. none of these. no. of ampere-turns. air gap of magnetic path. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the methods of improving transient stability? Fast acting excitation control All of these Fast acting governing system Dynamic breaking Fast acting excitation control All of these Fast acting governing system Dynamic breaking 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 unity 0 leading 0.5 0.707 leading unity 0 leading 0.5 ANSWER DOWNLOAD EXAMIANS APP
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