Electrical Machines If the air gap of IM is increased, ____________ will increase. air gap flux. speed. magnetizing current. power factor. air gap flux. speed. magnetizing current. power factor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Induction motors normally use cast aluminium rotor because aluminium is easy to cast owing to its low melting point and is easily available. lighter in weight. cheaper in cost. of low resistivity. easy to cast owing to its low melting point and is easily available. lighter in weight. cheaper in cost. of low resistivity. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformer cooling and insulating oil must be of high viscosity. low viscosity. low BDV. low resistivity. high viscosity. low viscosity. low BDV. low resistivity. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Star - delta method of starting of motor is not possible in case of high speed motor. high torque motor. low horse power motor. single phase induction motor. high speed motor. high torque motor. low horse power motor. single phase induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following methods are used to control the speed of DC motors is field current control armature circuit resistance control supply voltage control All of these field current control armature circuit resistance control supply voltage control All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A compound motor has only series field winding. both shunt and series field winding. tertiary winding. only shunt field winding. only series field winding. both shunt and series field winding. tertiary winding. only shunt field winding. ANSWER DOWNLOAD EXAMIANS APP
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