Electrical Machines Universal motor have which of the following application? Food mixer. Domestic pump. Traction. Lift. Food mixer. Domestic pump. Traction. Lift. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of conductor of a DC motor can be determined by Lenz's law. Fleming's right hand rule. Ampere law. Fleming's left hand rule. Lenz's law. Fleming's right hand rule. Ampere law. Fleming's left hand rule. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of a dc motor the ratio Eb / E is indicative of efficiency. ratio of input to output voltage. ratio of starting to running torque. ratio of starting to running current. efficiency. ratio of input to output voltage. ratio of starting to running torque. ratio of starting to running current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC compound motor has tertiary winding. both shunt and series field winding. only shunt field winding. only series field winding. tertiary winding. both shunt and series field winding. only shunt field winding. only series field winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In shapers and slotters which motor are preferred? Synchronous motor. Squirrel cage IM. Slip ring IM. Double cage motor. Synchronous motor. Squirrel cage IM. Slip ring IM. Double cage motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A dc shunt generator, when commissioned after a major repair of the field system, failed to build Up voltage. It was because field winding was wrongly connected there was a break in the armature circuit field system lost residual magnetism field resistance was higher than critical resistance field winding was wrongly connected there was a break in the armature circuit field system lost residual magnetism field resistance was higher than critical resistance ANSWER DOWNLOAD EXAMIANS APP