DC Motors Where D.C. motor of H.P. 12 or more requires frequent starting, stopping, reversing and speed control Drum type controller is used Four point starter is used Three point starter is used All above can be used Drum type controller is used Four point starter is used Three point starter is used All above can be used ANSWER DOWNLOAD EXAMIANS APP
DC Motors The plugging gives the Smallest torque braking Highest torque braking None of the listed here Zero torque braking Smallest torque braking Highest torque braking None of the listed here Zero torque braking ANSWER DOWNLOAD EXAMIANS APP
DC Motors When two dc series motor are commected in parallel, the resultant speed is More than the normal speed Zero Loss than the normal speed Normal speed More than the normal speed Zero Loss than the normal speed Normal speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors Ward-Leonard control is basically a Field control method Voltage control method Armature resistance control method Field divertor method Field control method Voltage control method Armature resistance control method Field divertor method ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following motor has the poorest speed regulation? Cummulative compound motor Shunt motor Series motor Differentially compound motor Cummulative compound motor Shunt motor Series motor Differentially compound motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors A compensating winding is an auxiliary winding embedded in slots in None of the listed here The pole faces of main poles Partly in pole faces, partly in armature The armature None of the listed here The pole faces of main poles Partly in pole faces, partly in armature The armature ANSWER DOWNLOAD EXAMIANS APP
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