Electrical Machines The flux is maximum in the following part of a DC motor: under leading pole tip. under the interpole. pole core. under trailing pole tip. under leading pole tip. under the interpole. pole core. under trailing pole tip. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC generator without commutator is a AC generator induction motor DC motor DC generator AC generator induction motor DC motor DC generator ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An induction motor has a rotor resistance of 0.002 Ω / phase. If the resistance is increased to 0.004 Ω / phase then the maximum torque will remain unaltered increase by 200% increase by 100% reduced to half remain unaltered increase by 200% increase by 100% reduced to half ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 220 V dc machine has an armature resistance of 1Ω.If the full-load current is 20 A, the differenc in the induced voltages when the machine is running as a motor and as a generator is 40 V 20 V 50 V zero 40 V 20 V 50 V zero ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A single-winding single-phase motor has low starting torque. zero starting torque. starting torque equal to full-load torque. high starting torque. low starting torque. zero starting torque. starting torque equal to full-load torque. high starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type motors are preferred for lathes? DC shunt motors. Either A or B. Squirrel Cage induction motor. Synchronous motor. DC shunt motors. Either A or B. Squirrel Cage induction motor. Synchronous motor. ANSWER DOWNLOAD EXAMIANS APP