DC Motors Which method of braking is generally used in elevators? None of these Plugging Rheostat braking Regenerative braking None of these Plugging Rheostat braking Regenerative braking ANSWER DOWNLOAD EXAMIANS APP
DC Motors The iron loss in dc motor depends on Speed only Flux only None of the listed here Both flux and speed Speed only Flux only None of the listed here Both flux and speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors In the dc motor the iron losses occur in Armature Field Brushes Commutator Armature Field Brushes Commutator ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following methods gives the greatest braking torque? Regenerative braking Rheostatic braking Plugging None of the listed here Regenerative braking Rheostatic braking Plugging None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors In dc machines fractional pitch winding is used To improve cooling To increase the generated emf To reduce the generated emf To reduce the sparking To improve cooling To increase the generated emf To reduce the generated emf To reduce the sparking ANSWER DOWNLOAD EXAMIANS APP
DC Motors Three point starter can be used for Compound motor only Both shunt and compound motor Shunt motor only Series motor only Compound motor only Both shunt and compound motor Shunt motor only Series motor only ANSWER DOWNLOAD EXAMIANS APP
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