DC Motors The speed of a dc motor can be controlled by changing All of the listed here Is flux Armature circuit resistance Aplied voltage All of the listed here Is flux Armature circuit resistance Aplied voltage ANSWER DOWNLOAD EXAMIANS APP
DC Motors The rheostatic speed control method is very Economical Suitable for getting speeds above the normal Unsuitable for rapidly changing loads Efficient Economical Suitable for getting speeds above the normal Unsuitable for rapidly changing loads Efficient ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a dc motor is comnected across the AC supply it will Not run Burn due to heat produced in the field winding by eddy currents Run at lower speed Run at normal speed Not run Burn due to heat produced in the field winding by eddy currents Run at lower speed Run at normal speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors No load speed of which of the following motor will be highest? Series motor Cummulative compounded motor Differentially compounded motor Shunt motor Series motor Cummulative compounded motor Differentially compounded motor Shunt motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a D.C. shunt motor is working at no load and if shunt field circuit suddenly opens Nothing will happen to the motor This will make armature to take heavy current, possibly burning it Motor will run at very slow speed This will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses Nothing will happen to the motor This will make armature to take heavy current, possibly burning it 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 A dc motor can be easily identified by Winding Yoke Size of conductor Commutator Winding Yoke Size of conductor Commutator ANSWER DOWNLOAD EXAMIANS APP
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