Electrical Machines The power flow of a dc motor, with respect to a DC generator is reversed. none of these. modified. increased. reversed. none of these. modified. increased. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An IM cannot run at synchronous speed because rotor torque will not be produced. air friction will prevent it. none of above. induction motor will become synchronous motor. rotor torque will not be produced. air friction will prevent it. none of above. induction motor will become synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 1-phase induction motor, if the forward torque slip is S, what is the backward torque slip? S 2-S 1-S 1/S S 2-S 1-S 1/S ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two DC series motors are connected in series and are driving the same mechanical load. If the motors are now connected in parallel the speed will become half. one fourth. 4 times. double. half. one fourth. 4 times. double. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A Shunt generator running at 1000 rpm has generated emf of 100 V. If the speed increases to 1200 rpm, the generated emf will be nearly 175 V 240 V 120 V 140 V 175 V 240 V 120 V 140 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Breadth factor is defined as the ratio of both 1 and 2. emf with concentrated winding to emf with distributed winding. emf with distributed winding to emf with concentrated winding. None of these both 1 and 2. emf with concentrated winding to emf with distributed winding. emf with distributed winding to emf with concentrated winding. None of these ANSWER DOWNLOAD EXAMIANS APP
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