DC Motors D.C. series motors are used None of these Where load changes frequently Where load is constant Where constant operating speed is needed None of these Where load changes frequently Where load is constant Where constant operating speed is needed ANSWER DOWNLOAD EXAMIANS APP
DC Motors The armature torque of the D.C. shunt motor is proportional to both (A) and (B) armature current only None of these field flux only both (A) and (B) armature current only None of these field flux only ANSWER DOWNLOAD EXAMIANS APP
DC Motors Motor starter are essential for Preventing fuse blowing Accelerating the motor Avoiding excessive starting current Starting the motor Preventing fuse blowing Accelerating the motor Avoiding excessive starting current Starting the motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors For the same H.P. rating and full load speed, following motor has poor starting torque Series Differentially compounded Cumulatively compounded Shunt Series Differentially compounded Cumulatively compounded Shunt ANSWER DOWNLOAD EXAMIANS APP
DC Motors In D.C. machines the residual magnetism is of the order of 10 to 15 percent 2 to 3 percent 20 to 25 percent 50 to 75 percent 10 to 15 percent 2 to 3 percent 20 to 25 percent 50 to 75 percent ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which motor should be used for centrifugal pumps? None of the listed here Series motor Either series or shunt Shunt motor None of the listed here Series motor Either series or shunt Shunt motor ANSWER DOWNLOAD EXAMIANS APP
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