Electrical Machines Which motor cannot be started on no load? both B and C cumulative compound motors series motors shunt motors both B and C cumulative compound motors series motors shunt motors ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines _____________ types of induction motor are widely used. Three phase IM. Single phase IM. Slip ring IM. Squirrel cage IM. Three phase IM. Single phase IM. Slip ring IM. Squirrel cage IM. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC motor under constant terminal voltage what is the relation between torque (Te) and power (P) T∝ P² T∝ P³ T∝ P T is independent of P T∝ P² T∝ P³ T∝ P T is independent of P ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When excitation is increased (over excitation), the synchronous generator operates at leading power factor. lagging power factor. any of the above. unity power factor. leading power factor. lagging power factor. any of the above. unity power factor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For power factor improvement the synchronous motor is to be lightly loaded and over excited lightly loaded and underecited heavily loaded and underexcited heavily loaded and over excited lightly loaded and over excited lightly loaded and underecited heavily loaded and underexcited heavily loaded and over excited ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If any two leads from slip rings are interchanged in a 3 - Φ induction motor, the motor will continue running in the same direction as before. not run. get damaged. run in a direction opposite to previous one. continue running in the same direction as before. not run. get damaged. run in a direction opposite to previous one. ANSWER DOWNLOAD EXAMIANS APP
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