DC Motors Small dc motors up to 5 HP usually have 4 poles 2 poles 6 poles 8 poles 4 poles 2 poles 6 poles 8 poles ANSWER DOWNLOAD EXAMIANS APP
DC Motors What will happen if the back emf of a dc motor vanishes suddenly? The motor will continue to run The armature may burn The motor will run noisy The motor will stop The motor will continue to run The armature may burn The motor will run noisy The motor will stop ANSWER DOWNLOAD EXAMIANS APP
DC Motors These days dc motors are widely used in Air compressors Pumping sets Electric traction Machine shops Air compressors Pumping sets Electric traction Machine shops ANSWER DOWNLOAD EXAMIANS APP
DC Motors The torque developed by a dc motor is directly proportional to Armature resistance × armature current 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 ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following motors is most suitable for signalling devices and many kinds of timers ? C. shunt motor Reluctance motor Induction motor C. series motor C. shunt motor Reluctance motor Induction motor C. series motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors The compensating winding is connected in None of the listed here Parallel with armature Series with armature Series-parallel with armature None of the listed here Parallel with armature Series with armature Series-parallel with armature ANSWER DOWNLOAD EXAMIANS APP