Electrical Machines In an induction motor, the no-load slip is generally equal to zero. 1.5 %. less than 1 %. 4 %. zero. 1.5 %. less than 1 %. 4 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformer core is laminated to reduce eddy current loss. both 1 and 2. hysteresis loss. copper loss. eddy current loss. both 1 and 2. hysteresis loss. copper loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The current drawn by the armature of DC motor is directly proportional to The torque required. None of above. The speed of motor. The voltage across the terminals. The torque required. None of above. The speed of motor. The voltage across the terminals. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of IM the torque is directly proportional to slip2. directly proportional to slip. inversely proportional to slip. inversely proportional to √slip. directly proportional to slip2. directly proportional to slip. inversely proportional to slip. inversely proportional to √slip. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole lap wound dc generator has 4 brushes, if one of the brush is damaged, what will be the change in V, I and P ratings V, I/2 and P/2 V, I and P V/2, I and P/2 V/2, I/2 and P/4 V, I/2 and P/2 V, I and P V/2, I and P/2 V/2, I/2 and P/4 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A synchronous machine has P number of poles, find the relation between electrical angular momentum (ωe) and mechanical angular momentum (ωm)? ωe = ωm ωe = 2/P*ωm ωe = P*ωm ωe = P/2*ωm ωe = ωm ωe = 2/P*ωm ωe = P*ωm ωe = P/2*ωm ANSWER DOWNLOAD EXAMIANS APP
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