Power Systems In thermal plant most of the energy is wasted in boiler ESP condenser turbines boiler ESP condenser turbines ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the preferred type of circuit breaker(CB) to be installed in extra high voltage AC system? Sulphur hexafluoride CB Air blast CB Bulk oil type CB Vacuum CB Sulphur hexafluoride CB Air blast CB Bulk oil type CB Vacuum CB ANSWER DOWNLOAD EXAMIANS APP
Power Systems The function of moderator in a nuclear reactor is to stop chain reaction. reduce temperature. absorb neutrons. reduce the speed of neutrons. stop chain reaction. reduce temperature. absorb neutrons. reduce the speed of neutrons. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What will be the ratio of the C.T. on the H.V side of a 3 - φ star / delta 33 / 11 kV transformer if the protecting CT on the LV side has a ratio of 300 : 5 ? 100 : 5 / √3. 120 : 6 / √3. 200 : 5 / √3. 150 : 4 / √3. 100 : 5 / √3. 120 : 6 / √3. 200 : 5 / √3. 150 : 4 / √3. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive (Z1), negative (Z2) and zero sequence (Z0) impedances of a transmission line follows the relation (Z1 = Z2) < Z0 any of the above Z1 = Z2 = Z0 (Z1 = Z2) > Z0 (Z1 = Z2) < Z0 any of the above Z1 = Z2 = Z0 (Z1 = Z2) > Z0 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Keeping in view the cost and overall effectiveness, the following circuit breaker is best suited for capacitor bank switching? Oil CB. Air blast CB. SF6 CB. Vacuum CB. Oil CB. Air blast CB. SF6 CB. Vacuum CB. ANSWER DOWNLOAD EXAMIANS APP