Electrical Machines When excitation is increased (over excitation), the synchronous generator operates at any of the above. lagging power factor. leading power factor. unity power factor. any of the above. lagging power factor. leading power factor. unity power factor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The three point starter is used for Series motor. Shunt motor. Shunt, compound and series motor. Shunt motor as well as compound motors. Series motor. Shunt motor. Shunt, compound and series motor. Shunt motor as well as compound motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a loaded DC generator, if the brushes are given a shift from the interpolar axis in the direction of rotation, then the commutation will deteriorate with fall of terminal voltage. improve with fall of terminal voltage. deteriorate with rise in terminal voltage. improve with rise in terminal voltage. deteriorate with fall of terminal voltage. improve with fall of terminal voltage. deteriorate with rise in terminal voltage. improve with rise in terminal voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If we increase the rotor reactance value, the maximum torque will not changed increase None of these decrease not changed increase None of these decrease ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC shunt generator builds up 230 V when driven in clockwise direction. In case it is driven in anti clockwise direction, other things remaining unchanged, then the voltage build up is some what more than 230 V some what less than 230 V not possible 230 V some what more than 230 V some what less than 230 V not possible 230 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Swinburne's test is applicable to DC shunt and level Compound motor. DC compound motor. DC Shunt motor. DC series motor. DC shunt and level Compound motor. DC compound motor. DC Shunt motor. DC series motor. ANSWER DOWNLOAD EXAMIANS APP
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