DC Motors Which motor should be used for centrifugal pumps? Shunt motor Series motor Either series or shunt None of the listed here Shunt motor Series motor Either series or shunt None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors The shaft torque in a dc motor is less than total armature torque because of ______ in the motor. None of the listed here Field losses Cu losses Iron and friction losses None of the listed here Field losses Cu losses Iron and friction losses ANSWER DOWNLOAD EXAMIANS APP
DC Motors The direction of rotation of a D.C. series motor can be changed by Interchanging supply terminals Either of (A) and (B) above Interchanging field terminals None of these Interchanging supply terminals Either of (A) and (B) above Interchanging field terminals None of these ANSWER DOWNLOAD EXAMIANS APP
DC Motors During rheostat braking of dc series motor Motor is reversed in direction Motor is run as a generator Motor is run at reduced speed None of the listed here Motor is reversed in direction Motor is run as a generator Motor is run at reduced speed 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 normal speed Burn due to heat produced in the field winding by eddy currents Not run Run at lower speed Run at normal speed Burn due to heat produced in the field winding by eddy currents Not run Run at lower speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a dc motor can be controlled by changing Is flux Aplied voltage All of the listed here Armature circuit resistance Is flux Aplied voltage All of the listed here Armature circuit resistance ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS