DC Motors Which of the following methods gives the greatest braking torque? Rheostatic braking None of the listed here Regenerative braking Plugging Rheostatic braking None of the listed here Regenerative braking Plugging ANSWER DOWNLOAD EXAMIANS APP
DC Motors For the same H.P. rating and full load speed, following motor has poor starting torque Shunt Cumulatively compounded Differentially compounded Series Shunt Cumulatively compounded Differentially compounded Series ANSWER DOWNLOAD EXAMIANS APP
DC Motors Excessive sparking at brushes may be caused due to Dirt on the commutator Worn bearings Loose coupling Misaligment of machine Dirt on the commutator Worn bearings Loose coupling Misaligment of machine ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following application requires high starting torque? Locomotive Lathe machine Centrifugal pump Air blower Locomotive Lathe machine Centrifugal pump Air blower ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following motors is most suitable for signalling devices and many kinds of timers ? C. series motor Reluctance motor C. shunt motor Induction motor C. series motor Reluctance motor C. shunt motor Induction motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc series motor is best suited for driving Machine tools Shear and punches None of the listed here Cranes and hoists Machine tools Shear and punches None of the listed here Cranes and hoists ANSWER DOWNLOAD EXAMIANS APP
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