DC Motors Where D.C. motor of H.P. 12 or more requires frequent starting, stopping, reversing and speed control Drum type controller is used Four point starter is used All above can be used Three point starter is used Drum type controller is used Four point starter is used All above can be used Three point starter is used ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc series motor is best suited for driving None of the listed here Shear and punches Cranes and hoists Machine tools None of the listed here Shear and punches Cranes and hoists Machine tools ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc motor can be easily identified by Winding Commutator Size of conductor Yoke Winding Commutator Size of conductor Yoke ANSWER DOWNLOAD EXAMIANS APP
DC Motors The mechanical power developed by a shunt motor will be maximum when the ratio of back emf to applied voltage is 0.5 2.0 4.0 1.0 0.5 2.0 4.0 1.0 ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following motor has the poorest speed regulation? Differentially compound motor Shunt motor Series motor Cummulative compound motor Differentially compound motor Shunt motor Series motor Cummulative compound motor 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 C. shunt motor Reluctance motor Induction motor C. series motor C. shunt motor Reluctance motor Induction motor ANSWER DOWNLOAD EXAMIANS APP
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