DC Motors If the speed of a dc shunt motor is increased the back emf of the motor will Increase Remains same Decrease Become zero Increase Remains same Decrease Become zero ANSWER DOWNLOAD EXAMIANS APP
DC Motors The friction and windage losses in a dc motor depends upon Flux Armature current Speed Field and armature resistance Flux Armature current Speed Field and armature resistance ANSWER DOWNLOAD EXAMIANS APP
DC Motors In D.C. shunt motors as load is reduced The speed will remain almost/constant The speed will increase in proportion to reduction in load The speed will increase abruptly The speed will reduce The speed will remain almost/constant The speed will increase in proportion to reduction in load The speed will increase abruptly The speed will reduce ANSWER DOWNLOAD EXAMIANS APP
DC Motors Dc series motors are used in those applications where _____ is required. High starting torque None of the listed here Constant speed Low no load speed High starting torque None of the listed here Constant speed Low no load speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors The compensating winding is connected in Series with armature Parallel with armature None of the listed here Series-parallel with armature Series with armature Parallel with armature None of the listed here Series-parallel with armature 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 Cu losses Iron and friction losses Field losses None of the listed here Cu losses Iron and friction losses Field losses ANSWER DOWNLOAD EXAMIANS APP