DC Motors A dc series motor is best suited for driving Shear and punches Cranes and hoists None of the listed here Machine tools Shear and punches Cranes and hoists None of the listed here Machine tools ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a D.C. shunt motor is working at full load and if shunt field circuit suddenly opens Nothing will happen to motor Motor will come to stop This will make armature to take heavy current, possibly burning it This will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses Nothing will happen to motor Motor will come to stop This will make armature to take heavy current, possibly burning it This will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses 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 None of these Dynamic braking Plugging Regenerative None of these Dynamic braking Plugging Regenerative ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which D.C. motor is generally preferred for cranes and hoists? Cumulatively compounded motor Series motor Differentially compounded motor Shunt motor Cumulatively compounded motor Series motor Differentially compounded motor Shunt motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors At the instant of starting when a D.C. motor is put on supply, it behaves like A low resistance circuit A capacitive circuit A highly resistive circuit None of these A low resistance circuit A capacitive circuit A highly resistive circuit None of these ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a _____ motor is practically constant. Shunt Differentially compounded Cumulatively compounded Series Shunt Differentially compounded Cumulatively compounded Series ANSWER DOWNLOAD EXAMIANS APP