DC Motors Which of the following law can be used to determine the direction of rotation of dc motor? Lenz's law Faraday's law Fleming's left hand rule Coloumb's law Lenz's law Faraday's law Fleming's left hand rule Coloumb's law ANSWER DOWNLOAD EXAMIANS APP
DC Motors What will happen if the back emf of a dc motor vanishes suddenly? The motor will run noisy The armature may burn The motor will continue to run The motor will stop The motor will run noisy The armature may burn The motor will continue to run The motor will stop ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a D.C. shunt motor is working at no load and if shunt field circuit suddenly opens This will make armature to take heavy current, possibly burning it Nothing will happen to the motor Motor will run at very slow speed 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 the motor Motor will run at very slow speed This will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses ANSWER DOWNLOAD EXAMIANS APP
DC Motors By looking at which part of the motor, it can be easily confirmed that a particular motor is D.C. motor? Shaft Commutator Stator Frame Shaft Commutator Stator Frame ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following motor is preferred for operation in highly explosive atmosphere? Shunt motor Series motor Battery operated motor Air motor Shunt motor Series motor Battery operated motor Air motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors The most suitable motor for elevators is the ____ motor. Series Shunt Cummulative compounded Differentially compuonded Series Shunt Cummulative compounded Differentially compuonded ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS