Electrical Machines Pole changing methods are suitable only for ___________ type induction motor. none of these. wound. linear. cage. none of these. wound. linear. cage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Normally for the design of transformer the ambient temperature is taken as 27°C. 45°C. 32°C. 35°C. 27°C. 45°C. 32°C. 35°C. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The application that need frequent starting and stopping is blowers. jaw crushers. lifts and hoists. paper mills. blowers. jaw crushers. lifts and hoists. paper mills. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field of a dc shunt motor gets opened while the motor is running, then the motor will become slow. armature current will drop motor will attain dangerously high speed armature will oscillate about original speed as the mean speed motor will become slow. armature current will drop motor will attain dangerously high speed armature will oscillate about original speed as the mean speed ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What are slot wedges in a DC machine made of? Fibre. Silicon steel. Mild steel. Cast iron. Fibre. Silicon steel. Mild steel. Cast iron. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole dc motor with armature winding resistance of 0.6 ohm receives a supply of 230 Volt. If the back emf produced during running condition is equal to 210 volt. Calculate the current flowing through the armature at this point. 44.47 Amp. 33.33 Amp. 29 Amp. 43 Amp. 44.47 Amp. 33.33 Amp. 29 Amp. 43 Amp. ANSWER DOWNLOAD EXAMIANS APP
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