Electrical Machines Swinburne's test is applicable to DC compound motor. DC series motor. DC shunt and level Compound motor. DC Shunt motor. DC compound motor. DC series motor. DC shunt and level Compound motor. DC Shunt motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of DC Shunt Motor electromagnetic torque developed is None of above. Proportional to the armature current. Proportional to the square of armature current. Inversely proportional to the armature current. None of above. Proportional to the armature current. Proportional to the square of armature current. Inversely proportional to the armature current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines As compared to DOL starting, a cage induction motor with star-delta starting shall have more starting time. reduced starting current. more starting torque. smoother acceleration. more starting time. reduced starting current. more starting torque. smoother acceleration. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature mmf in a dc machine is 1. stationary with respect to field poles 2. stationary with respect to armature 3. rotating with respect to field poles 4. rotating with respect to armature From these, the correct answer is 1, 3 2, 4 2, 3 1, 4 1, 3 2, 4 2, 3 1, 4 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A transformer has resistance and reactance in per unit as 0.01 and 0.04 respectively. Its voltage regulation for 0.8 power factor lagging and leading will be 6% and -4% None of these 3.2% and -1.6% 4.8% and -3.2% 6% and -4% None of these 3.2% and -1.6% 4.8% and -3.2% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines At the instant of starting, the per unit slip of 3 - Φ induction motor is 0.1. 0.05. 0.5. 1.0. 0.1. 0.05. 0.5. 1.0. ANSWER DOWNLOAD EXAMIANS APP
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