DC Motors Small dc motors up to 5 HP usually have 2 poles 6 poles 4 poles 8 poles 2 poles 6 poles 4 poles 8 poles ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc series motor is best suited for driving Cranes and hoists Shear and punches Machine tools None of the listed here Cranes and hoists Shear and punches Machine tools None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors Carbon brushes are preferable to copper brushes because _____ They have lower resistance They reduce sparking They reduce armature reaction They have longer life They have lower resistance They reduce sparking They reduce armature reaction They have longer life ANSWER DOWNLOAD EXAMIANS APP
DC Motors For the same H.P. rating and full load speed, following motor has poor starting torque Differentially compounded Cumulatively compounded Shunt Series Differentially compounded Cumulatively compounded Shunt Series ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following in a dc motor, can sustain the maximum temperature rise? Field winding Slip rings Armature winding Commutator Field winding Slip rings Armature winding Commutator 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 Faraday's law Lenz's law Fleming's left hand rule Coloumb's law Faraday's law Lenz's law ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS