Electrical Machines Unbalanced supply voltage given to a 3 - φ, delta connected induction motor will cause less heating of the rotor. less heating of the rotor. negative sequence current. all of these. less heating of the rotor. less heating of the rotor. negative sequence current. all of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An induction motor is, in general analogous to two winding transformer with secondary open circuited. None of these auto transformer. two winding transformer with secondary short circuited. two winding transformer with secondary open circuited. None of these auto transformer. two winding transformer with secondary short circuited. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Centrifugal switch is absent in which of the single phase induction motor? None of these Shaded pole motor. Split phase motor. PSC (permanent split capacitor) motor. None of these Shaded pole motor. Split phase motor. PSC (permanent split capacitor) motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Methods of synchronizing of alternator may be done by all dark lamp method. all of these. one dark two bright. all bright lamp method. all dark lamp method. all of these. one dark two bright. all bright lamp method. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines As compared to DOL starting, a cage induction motor with star-delta starting shall have more starting time. reduced starting current. more starting torque. smoother acceleration. more starting time. reduced starting current. more starting torque. smoother acceleration. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of conductor of a DC motor can be determined by Lenz's law. Ampere law. Fleming's right hand rule. Fleming's left hand rule. Lenz's law. Ampere law. Fleming's right hand rule. Fleming's left hand rule. ANSWER DOWNLOAD EXAMIANS APP
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