DC Motors For starting a dc motor a starter is required because None of the listed here It limits the starting current to a safe value It starts the motor It limits the speed of the motor None of the listed here It limits the starting current to a safe value It starts the motor It limits the speed of the motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors Differentially compound D.C. motors can find applications requiring Low starting torque Variable speed Frequent on-off cycles High starting torque Low starting torque Variable speed Frequent on-off cycles High starting torque ANSWER DOWNLOAD EXAMIANS APP
DC Motors These days dc motors are widely used in Electric traction Air compressors Pumping sets Machine shops Electric traction Air compressors Pumping sets Machine shops ANSWER DOWNLOAD EXAMIANS APP
DC Motors The torque developed by a dc motor is directly proportional to Armature resistance × armature current 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 ANSWER DOWNLOAD EXAMIANS APP
DC Motors The friction and windage losses in a dc motor depends upon Field and armature resistance Flux Armature current Speed Field and armature resistance Flux Armature current Speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors The back emf in a dc motor ______ Opposes the applied voltage Aids the armature current Aids the applied voltage None of the listed here Opposes the applied voltage Aids the armature current Aids the applied voltage None of the listed here ANSWER DOWNLOAD EXAMIANS APP