DC Motors A direct on line starter is used for starting motors Upto 20 HP Upto 5 HP Upto 15 HP Upto 10 HP Upto 20 HP Upto 5 HP Upto 15 HP Upto 10 HP ANSWER DOWNLOAD EXAMIANS APP
DC Motors Compensating winding in a dc machine is placed On yoke in the interpolar gap On armature None of the listed here On yoke in the pole faces On yoke in the interpolar gap On armature None of the listed here On yoke in the pole faces ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc machines the residual magnetism is of the order of 50 to 75 percent 2 to 3 percent 10 to 15 percent 20 to 25 percent 50 to 75 percent 2 to 3 percent 10 to 15 percent 20 to 25 percent ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc series motor is that which Has its field winding consisting of thick wire and less turns Has almost constant speed Has a poor torque Can be started easily without load Has its field winding consisting of thick wire and less turns Has almost constant speed Has a poor torque Can be started easily without load ANSWER DOWNLOAD EXAMIANS APP
DC Motors The torque developed by a dc motor is directly proportional to 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 Armature resistance × armature current None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a dc motor is comnected across the AC supply it will Run at lower speed Run at normal speed Not run Burn due to heat produced in the field winding by eddy currents Run at lower speed Run at normal speed Not run Burn due to heat produced in the field winding by eddy currents ANSWER DOWNLOAD EXAMIANS APP