Power Systems In an induction relay for a particular current setting the operating time 4 sec. When the time multiplier setting is 0.8 if the time multiplier setting is rest to 1 the operating time is 1. 5. 10. un changed. 1. 5. 10. un changed. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Gross head of an hydroelectric power station is all of above. the difference of water level between the level in storage and tail race. the height of water level in the river where the tail race is provided. the height of water level in the river where the storage is provided. all of above. the difference of water level between the level in storage and tail race. the height of water level in the river where the tail race is provided. the height of water level in the river where the storage is provided. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The power level of nuclear reactor can be increase by ( K = multiplication factor ) raising the value of K above 1, but later bringing it back to K = 1. lowering the value of K below and keeping at that lowered value. lowering the value of K below 1 but later bringing it back to K = 1. raising the value of K above 1 and keeping it at raised value. raising the value of K above 1, but later bringing it back to K = 1. lowering the value of K below and keeping at that lowered value. lowering the value of K below 1 but later bringing it back to K = 1. raising the value of K above 1 and keeping it at raised value. ANSWER DOWNLOAD EXAMIANS APP
Power Systems On what factor does the performance of a circuit breaker depend? Breaking speed. Both A and C. Critical length of breaking. None of these. Breaking speed. Both A and C. Critical length of breaking. None of these. 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% 10% -10% 6.92% -6.92% 10% -10% 6.92% ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power generating station has a maximum demand of 1000 MW. The annual load factor is 75% and plant capacity factor is 60%. Calculate the reserve capacity? 1250 MW 500 MW 750 MW 250 MW 1250 MW 500 MW 750 MW 250 MW ANSWER DOWNLOAD EXAMIANS APP