Electrical Machines The slip of an induction motor during DC rheostatic braking is s. 2 + s. 1 - s. 2 - s. s. 2 + s. 1 - s. 2 - s. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following bearings and their uses are correct ball bearings → small machines both A and B neither 1 nor 2 roller bearings → large machines ball bearings → small machines both A and B neither 1 nor 2 roller bearings → large machines ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To increase starting torque of a 3-phase slip ring induction motor, preferred method is to increase rotor resistance supply voltage None of these supply frequency rotor resistance supply voltage None of these supply frequency ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Secondary winding of an auto transformer is also called damping winding. tertiary winding. common winding. compensating winding. damping winding. tertiary winding. common winding. compensating winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Pole changing methods are suitable only for ___________ type induction motor. linear. wound. none of these. cage. linear. wound. none of these. cage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Synchronous reactance of an alternator represents a reactance operating at synchronous speed armature reactance and leakage reactance All of these field winding reactance a reactance operating at synchronous speed armature reactance and leakage reactance All of these field winding reactance ANSWER DOWNLOAD EXAMIANS APP
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