DC Motors When two dc series motor are commected in parallel, the resultant speed is Zero Normal speed More than the normal speed Loss than the normal speed Zero Normal speed More than the normal speed Loss than the normal speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors Ward-Leonard control is basically a Voltage control method Armature resistance control method Field control method Field divertor method Voltage control method Armature resistance control method Field control method Field divertor method ANSWER DOWNLOAD EXAMIANS APP
DC Motors When the speed of dc motor increases, its armature current Increases Remains same None of the listed here Decreases Increases Remains same None of the listed here Decreases ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc compound machine, Shunt field winding plays dominant role Either can play dominant role Series field winding plays dominant role Both play equally dominant role Shunt field winding plays dominant role Either can play dominant role Series field winding plays dominant role Both play equally dominant role ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which motor has the poorest speed control? Shunt motor Cummulative compounded motor Differentially compounded motor Series motor Shunt motor Cummulative compounded motor Differentially compounded motor Series motor 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 motor will stop The armature may burn The motor will continue to run The motor will run noisy The motor will stop The armature may burn The motor will continue to run ANSWER DOWNLOAD EXAMIANS APP