DC Motors Which of the following motor is preferred for operation in highly explosive atmosphere? Series motor Battery operated motor Shunt motor Air motor Series motor Battery operated motor Shunt motor Air motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors Dc series motors are used in those applications where _____ is required. High starting torque Constant speed None of the listed here Low no load speed High starting torque Constant speed None of the listed here Low no load speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors The shaft torque in a dc motor is less than total armature torque because of ______ in the motor. None of the listed here Iron and friction losses Field losses Cu losses None of the listed here Iron and friction losses Field losses Cu losses ANSWER DOWNLOAD EXAMIANS APP
DC Motors For the same H.P. rating and full load speed, following motor has poor starting torque Shunt Cumulatively compounded Differentially compounded Series Shunt Cumulatively compounded Differentially compounded Series ANSWER DOWNLOAD EXAMIANS APP
DC Motors In D.C. motor which of the following can sustain the maximum temperature rise? Commutator Field winding Armature winding Slip rings Commutator Field winding Armature winding Slip rings ANSWER DOWNLOAD EXAMIANS APP
DC Motors If the terminals of armature of D.C. motor are interchanged, this action will offer following kind of braking None of these Plugging Regenerative Dynamic braking None of these Plugging Regenerative Dynamic braking ANSWER DOWNLOAD EXAMIANS APP