DC Motors Which motor has the poorest speed control? Cummulative compounded motor Series motor Shunt motor Differentially compounded motor Cummulative compounded motor Series motor Shunt motor Differentially compounded motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a D.C. shunt motor is working at no load and if shunt field circuit suddenly opens This will make armature to take heavy current, possibly burning it Motor will run at very slow speed Nothing will happen to the motor This will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses This will make armature to take heavy current, possibly burning it Motor will run at very slow speed Nothing will happen to the motor This will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses ANSWER DOWNLOAD EXAMIANS APP
DC Motors When two dc series motor are commected in parallel, the resultant speed is Normal speed More than the normal speed Loss than the normal speed Zero Normal speed More than the normal speed Loss than the normal speed Zero ANSWER DOWNLOAD EXAMIANS APP
DC Motors The most suitable motor for elevators is the ____ motor. Differentially compuonded Series Cummulative compounded Shunt Differentially compuonded Series Cummulative compounded Shunt ANSWER DOWNLOAD EXAMIANS APP
DC Motors The torque developed by a dc motor is directly proportional to None of the listed here Flux per pole × armature current Armature resistance × applied voltage Armature resistance × armature current None of the listed here Flux per pole × armature current Armature resistance × applied voltage Armature resistance × armature current ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc motor is still used in industrial applications because it Is cheap Provides fine speed control Is simple in construction None of the listed here Is cheap Provides fine speed control Is simple in construction None of the listed here ANSWER DOWNLOAD EXAMIANS APP