DC Motors Small dc motors up to 5 HP usually have 4 poles 6 poles 2 poles 8 poles 4 poles 6 poles 2 poles 8 poles ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which D.C. motor is generally preferred for cranes and hoists? Shunt motor Cumulatively compounded motor Differentially compounded motor Series motor Shunt motor Cumulatively compounded motor Differentially compounded motor Series motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors If the terminals of armature of D.C. motor are interchanged, this action will offer following kind of braking Plugging Dynamic braking None of these Regenerative Plugging Dynamic braking None of these Regenerative ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which method of braking is generally used in elevators? Plugging None of these Regenerative braking Rheostat braking Plugging None of these Regenerative braking Rheostat braking ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following methods gives the greatest braking torque? Rheostatic braking None of the listed here Plugging Regenerative braking Rheostatic braking None of the listed here Plugging Regenerative braking ANSWER DOWNLOAD EXAMIANS APP
DC Motors If the supply voltage for a D.C. motor is increased, which of the following will decrease? Operating speed Full-load current Starting torque All of these Operating speed Full-load current Starting torque All of these ANSWER DOWNLOAD EXAMIANS APP
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