DC Motors Which motor should be used for centrifugal pumps? Series motor Either series or shunt Shunt motor None of the listed here Series motor Either series or shunt Shunt motor None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following methods gives the greatest braking torque? Regenerative braking None of the listed here Plugging Rheostatic braking Regenerative braking None of the listed here Plugging Rheostatic braking ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which D.C. motor is generally preferred for cranes and hoists? Series motor Differentially compounded motor Shunt motor Cumulatively compounded motor Series motor Differentially compounded motor Shunt motor Cumulatively compounded motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors For constant torque drive which speed control method is preferred? Field control Armature voltage control Shunt armature control Mechanical loading system Field control Armature voltage control Shunt armature control Mechanical loading system ANSWER DOWNLOAD EXAMIANS APP
DC Motors D.C. generators are normally designed for maximum efficiency around Rated r.p.m. Full load Rated voltage All of these Rated r.p.m. Full load Rated voltage All of these ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a _____ motor is practically constant. Shunt Series Differentially compounded Cumulatively compounded Shunt Series Differentially compounded Cumulatively compounded ANSWER DOWNLOAD EXAMIANS APP
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