DC Motors The torque developed by a dc motor is directly proportional to Armature resistance × applied voltage None of the listed here Flux per pole × armature current Armature resistance × armature current Armature resistance × applied voltage None of the listed here Flux per pole × armature current Armature resistance × armature current ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc machines the residual magnetism is of the order of 2 to 3 percent 10 to 15 percent 20 to 25 percent 50 to 75 percent 2 to 3 percent 10 to 15 percent 20 to 25 percent 50 to 75 percent ANSWER DOWNLOAD EXAMIANS APP
DC Motors The maximum end play of a motor is about 0.4 mm 6 mm 2 mm 10 mm 0.4 mm 6 mm 2 mm 10 mm 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 Cu losses Field losses None of the listed here Iron and friction losses Cu losses Field losses ANSWER DOWNLOAD EXAMIANS APP
DC Motors A direct on line starter is used for starting motors Upto 15 HP Upto 5 HP Upto 20 HP Upto 10 HP Upto 15 HP Upto 5 HP Upto 20 HP Upto 10 HP ANSWER DOWNLOAD EXAMIANS APP
DC Motors For a D.C. shunt motor if the excitation is changed Torque will remain constant Torque, power and speed, all will change Torque and power both will change Torque will change but power will remain constant Torque will remain constant Torque, power and speed, all will change Torque and power both will change Torque will change but power will remain constant ANSWER DOWNLOAD EXAMIANS APP
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