DC Motors Which of the following law can be used to determine the direction of rotation of dc motor? Coloumb's law Faraday's law Fleming's left hand rule Lenz's law Coloumb's law Faraday's law Fleming's left hand rule Lenz's law ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following motor has the poorest speed regulation? Cummulative compound motor Shunt motor Differentially compound motor Series motor Cummulative compound motor Shunt motor Differentially compound motor Series motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors Differentially compound D.C. motors can find applications requiring Low starting torque High starting torque Variable speed Frequent on-off cycles Low starting torque High starting torque Variable speed Frequent on-off cycles ANSWER DOWNLOAD EXAMIANS APP
DC Motors When the speed of dc motor increases, its armature current None of the listed here Remains same Decreases Increases None of the listed here Remains same Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a D.C. shunt motor is working at full load and if shunt field circuit suddenly opens 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 Motor will come to stop Nothing will happen to motor 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 Motor will come to stop Nothing will happen to motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors No load speed of which of the following motor will be highest? Differentially compounded motor Series motor Cummulative compounded motor Shunt motor Differentially compounded motor Series motor Cummulative compounded motor Shunt motor ANSWER DOWNLOAD EXAMIANS APP
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