DC Motors Small dc motors up to 5 HP usually have 4 poles 8 poles 6 poles 2 poles 4 poles 8 poles 6 poles 2 poles ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following methods gives the greatest braking torque? None of the listed here Plugging Rheostatic braking Regenerative braking None of the listed here Plugging Rheostatic braking Regenerative braking ANSWER DOWNLOAD EXAMIANS APP
DC Motors The commutating pole winding is connected in Parallel with the armature Series with the armature Series-parallel with the armature None of the listed here Parallel with the armature Series with the armature Series-parallel with the armature None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors The rheostatic speed control method is very Suitable for getting speeds above the normal Efficient Economical Unsuitable for rapidly changing loads Suitable for getting speeds above the normal Efficient Economical Unsuitable for rapidly changing loads ANSWER DOWNLOAD EXAMIANS APP
DC Motors At the instant of starting when a D.C. motor is put on supply, it behaves like A low resistance circuit A highly resistive circuit A capacitive circuit None of these A low resistance circuit A highly resistive circuit A capacitive circuit None of these ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following law can be used to determine the direction of rotation of dc motor? Fleming's left hand rule Coloumb's law Lenz's law Faraday's law Fleming's left hand rule Coloumb's law Lenz's law Faraday's law ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS