Electrical Machines Swinburne's test is applicable to DC series motor. DC Shunt motor. DC compound motor. DC shunt and level Compound motor. DC series motor. DC Shunt motor. DC compound motor. DC shunt and level Compound motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In speed control of DC Series motor, speed lower than the rated speed can be obtained by Connecting an additional resistance in the armature circuit. Connecting an additional resistance in the field circuit. Any of the above. Connecting an additional resistance in stator circuit. Connecting an additional resistance in the armature circuit. Connecting an additional resistance in the field circuit. Any of the above. Connecting an additional resistance in stator circuit. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A generator may loose residual magnetism due to any of these. vibrations. over excitation. heating. any of these. vibrations. over excitation. heating. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Star - delta method of starting of motor is not possible in case of low horse power motor. high torque motor. high speed motor. single phase induction motor. low horse power motor. high torque motor. high speed motor. single phase induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The induction motor shaft is made of stainless steel. cast iron. aluminium. mild steel. stainless steel. cast iron. aluminium. mild steel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In induction motor the 7th harmonic torque may make the motor rotate at (1 / 7)th synchronous speed. This is called cogging. harmonics. resonance. crawling. cogging. harmonics. resonance. crawling. ANSWER DOWNLOAD EXAMIANS APP
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