Electrical Machines In which transformer, the tertiary winding is used? Delta - delta Star - star Star - delta Delta - star Delta - delta Star - star Star - delta Delta - star ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC generator beyond critical resistance will generate maximum current. maximum power. maximum voltage. no voltage. maximum current. maximum power. maximum voltage. no voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Fufuraldehyde analysis is done to determine the condition of cork gaskets used in transformer. condition of paper insulation in transformer. condition of lamination on CRGO steel sheet. condition of oil in transformer. condition of cork gaskets used in transformer. condition of paper insulation in transformer. condition of lamination on CRGO steel sheet. condition of oil in transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 230 V, 50 Hz, 4 pole single phase induction motor is rotating in the clockwise ( forward ) direction at a speed of 1425 rpm. If the rotor resistance at standstill is 7.8 Ω. Then the effective rotor resistance in the backward branch of the equivalent circuit will be 4 Ω. 8 Ω. 2 Ω. 10 Ω. 4 Ω. 8 Ω. 2 Ω. 10 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When applied rated voltage per phase is reduce to one half, the starting torque of three phase squirrel cage induction motor becomes twice the initial value 1/4 of the intial value 4 time the initial value 1/2 of the initial value twice the initial value 1/4 of the intial value 4 time the initial value 1/2 of the initial value ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A single phase, 2 KV alternator has an armature resistance of 0.8 ohms and 4.94 ohms respectively. The voltage regulation of the alternator at 100 a load 0.8 loading power factor is 14%. 0%. 7%. 8.9%. 14%. 0%. 7%. 8.9%. ANSWER DOWNLOAD EXAMIANS APP
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