DC Motors No load speed of which of the following motor will be highest? Shunt motor Differentially compounded motor Series motor Cummulative compounded motor Shunt motor Differentially compounded motor Series motor Cummulative compounded motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors For constant torque drive which speed control method is preferred? Shunt armature control Armature voltage control Mechanical loading system Field control Shunt armature control Armature voltage control Mechanical loading system Field control ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which method of braking is generally used in elevators? None of these Rheostat braking Plugging Regenerative braking None of these Rheostat braking Plugging Regenerative braking ANSWER DOWNLOAD EXAMIANS APP
DC Motors In the dc motor the iron losses occur in Field Brushes Commutator Armature Field Brushes Commutator Armature ANSWER DOWNLOAD EXAMIANS APP
DC Motors The torque developed by a dc motor is directly proportional to Flux per pole × armature current None of the listed here Armature resistance × applied voltage Armature resistance × armature current Flux per pole × armature current None of the listed here Armature resistance × applied voltage Armature resistance × armature current ANSWER DOWNLOAD EXAMIANS APP
DC Motors The iron loss in dc motor depends on Speed only None of the listed here Both flux and speed Flux only Speed only None of the listed here Both flux and speed Flux only ANSWER DOWNLOAD EXAMIANS APP
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