DC Motors A direct on line starter is used for starting motors Upto 20 HP Upto 15 HP Upto 5 HP Upto 10 HP Upto 20 HP Upto 15 HP Upto 5 HP Upto 10 HP ANSWER DOWNLOAD EXAMIANS APP
DC Motors The direction of rotation of a D.C. series motor can be changed by Interchanging field terminals Interchanging supply terminals Either of (A) and (B) above None of these Interchanging field terminals Interchanging supply terminals Either of (A) and (B) above 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? 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 Lenz's law ANSWER DOWNLOAD EXAMIANS APP
DC Motors The shaft torque in a dc motor is less than total armature torque because of ______ in the motor. Cu losses Iron and friction losses Field losses None of the listed here Cu losses Iron and friction losses Field losses None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors The plugging gives the Highest torque braking Zero torque braking None of the listed here Smallest torque braking Highest torque braking Zero torque braking None of the listed here Smallest torque braking ANSWER DOWNLOAD EXAMIANS APP
DC Motors The commutating winding is basically used in a dc machine To control the speed of machine None of the listed here To improve commutation To reduce armature reaction To control the speed of machine None of the listed here To improve commutation To reduce armature reaction ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS