DC Motors If the terminals of armature of D.C. motor are interchanged, this action will offer following kind of braking Plugging Regenerative Dynamic braking None of these Plugging Regenerative Dynamic braking None of these ANSWER DOWNLOAD EXAMIANS APP
DC Motors When two dc series motor are commected in parallel, the resultant speed is Normal speed Zero Loss than the normal speed More than the normal speed Normal speed Zero Loss than the normal speed More than the normal speed 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 result in excessive speed, possibly destroying armature due to excessive centrifugal stresses This will make armature to take heavy current, possibly burning it Nothing will happen to motor Motor will come to stop This will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses This will make armature to take heavy current, possibly burning it ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following methods gives the greatest braking torque? Regenerative braking Plugging None of the listed here Rheostatic braking Regenerative braking Plugging None of the listed here Rheostatic braking ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following motor is preferred for operation in highly explosive atmosphere? Shunt motor Air motor Battery operated motor Series motor Shunt motor Air motor Battery operated motor Series motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors The resistance of shunt field winding as compared to series field winding is More Less None of the listed here The same More Less None of the listed here The same ANSWER DOWNLOAD EXAMIANS APP
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