Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 secs. The symmetrical breaking current is 45 kA. 35 kA. 55 kA. 50 kA. 45 kA. 35 kA. 55 kA. 50 kA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the fault is very nearer to the generator, the fault current is zero larger less any of the above zero larger less any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems Gas turbine power plants for maximum efficient may have Reheating. All of above. Heat exchangers. Multistage compression. Reheating. All of above. Heat exchangers. Multistage compression. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following materials is/are used as moderators? heavy water beryllium All of these graphite heavy water beryllium All of these graphite ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the function of economiser in steam boilers cooling improving thermal efficiency All of these collect ash particals cooling improving thermal efficiency All of these collect ash particals ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the time of operation of a relay for unity TMS is 10 sec. the time of operation of 0.5 TMS will be _______________ secs. 3. 20. 5. 7. 3. 20. 5. 7. ANSWER DOWNLOAD EXAMIANS APP
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