Electrical Machines A smaller air gap in a induction motor helps to increase the starting torque. reduce the chance of cogging. reduce the chance of crawling. reduce the magnetizing current. increase the starting torque. reduce the chance of cogging. reduce the chance of crawling. reduce the magnetizing current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction in dc motor results short circuit. open circuit. increase in speed. decrease in speed. short circuit. open circuit. increase in speed. decrease in speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A shaded pole single phase induction motor can be used for tape recorders food mixers personal computers as cooling fan wet grinders tape recorders food mixers personal computers as cooling fan wet grinders ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An electric motor with constant output power will have a torque speed characteristics in the form of a Straight line through the origin. Straight line parallel to the speed axis. Circle about the origin. Rectangular hyperbola Straight line through the origin. Straight line parallel to the speed axis. Circle about the origin. Rectangular hyperbola ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The use of higher flux density in the transformer design increases the weigh per KVA reduces the weigh per KVA has no relation with the weight of transformer None of these increases the weigh per KVA reduces the weigh per KVA has no relation with the weight of transformer None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines As compared to DOL starting, a cage induction motor with star-delta starting shall have more starting torque. reduced starting current. more starting time. smoother acceleration. more starting torque. reduced starting current. more starting time. smoother acceleration. ANSWER DOWNLOAD EXAMIANS APP
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