Electrical Machines Which of the following is not a part of transformer? Tap changer. Radiator. Commutator. Conservator tank. Tap changer. Radiator. Commutator. Conservator tank. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When maximum flux density is constant, the eddy current losses are proportional to V2 f2 f V V2 f2 f V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hysteresis loss is proportional to f3. f2. f1.5. f. f3. f2. f1.5. f. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a transformer to be tested at full load conditions but consuming only losses from the main, we do back to back test load test None of these OC and SC tests back to back test load test None of these OC and SC tests ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a star - delta starting of an IM resistance is inserted in the rotor. line voltage is 57.7 % of stator voltage. reduced voltage is applied to the stator. applied voltage per stator phase is 57.7 % of a line volt resistance is inserted in the rotor. line voltage is 57.7 % of stator voltage. reduced voltage is applied to the stator. applied voltage per stator phase is 57.7 % of a line volt ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following machines have highest power factor with respect to magnetizing current? Semi closed slot type machine. Closed slot type machines. Open slot type machines. Any of the above. Semi closed slot type machine. Closed slot type machines. Open slot type machines. Any of the above. ANSWER DOWNLOAD EXAMIANS APP
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