Electrical Machines In a 3-phase induction motor, torque and supply voltage are related as T ∝ V T ∝ 1/V T ∝ 1/V² T∝ V² T ∝ V T ∝ 1/V T ∝ 1/V² T∝ V² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The principle of operation of a 3 - Φ induction motor is almost similar to that of repulsion start induction motor. transformer with secondary short circuited. synchronous motor. capacitor start induction motor. repulsion start induction motor. transformer with secondary short circuited. synchronous motor. capacitor start induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The flux is maximum in the following part of a DC motor: under leading pole tip. under the interpole. under trailing pole tip. pole core. under leading pole tip. under the interpole. under trailing pole tip. pole core. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase, alternator has generated emf per phase of 230 V with 10% 3rd harmonic and 6% 5th harmonic content. Calculate rms line voltage for star connection. 50 V. 230.2 V. 100 V. 399 V. 50 V. 230.2 V. 100 V. 399 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines High inrush of current during a starting of DC motor can efficiently be restricted to a safer value by increasing the _________________ resistance. shunt field both A and B none of above armature circuit shunt field both A and B none of above armature circuit ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In one 132 / 33 kV transformer the LV resistance is 0.02 per unit. The resistance referred to HV side is 0.08 pu. 0.02 pu. 0.01 pu. 0.16 pu. 0.08 pu. 0.02 pu. 0.01 pu. 0.16 pu. ANSWER DOWNLOAD EXAMIANS APP
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