DC Motors In the dc motor the iron losses occur in Commutator Armature Field Brushes Commutator Armature Field Brushes ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following law can be used to determine the direction of rotation of dc motor? Lenz's law Coloumb's law Faraday's law Fleming's left hand rule Lenz's law Coloumb's law Faraday's law Fleming's left hand rule ANSWER DOWNLOAD EXAMIANS APP
DC Motors A series motor will over speed when The field is opened The load is increase The armature circuit is opened. Load is removed The field is opened The load is increase The armature circuit is opened. Load is removed ANSWER DOWNLOAD EXAMIANS APP
DC Motors Usually wide and sensitive speed control is desired in case of Centrifugal pumps Steel rolling mills Colliery winders Elevators Centrifugal pumps Steel rolling mills Colliery winders Elevators ANSWER DOWNLOAD EXAMIANS APP
DC Motors If the terminals of armature of D.C. motor are interchanged, this action will offer following kind of braking Dynamic braking None of these Regenerative Plugging Dynamic braking None of these Regenerative Plugging ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following motor is preferred for operation in highly explosive atmosphere? Series motor Battery operated motor Shunt motor Air motor Series motor Battery operated motor Shunt motor Air motor ANSWER DOWNLOAD EXAMIANS APP