DC Motors If the supply voltage for a D.C. motor is increased, which of the following will decrease? Starting torque Full-load current Operating speed All of these Starting torque Full-load current Operating speed All of these ANSWER DOWNLOAD EXAMIANS APP
DC Motors The variable resistor shunting the field of a dc series motor is called a Armature divertor Potential divider Voltage regulator Field divertor Armature divertor Potential divider Voltage regulator Field divertor ANSWER DOWNLOAD EXAMIANS APP
DC Motors The iron loss in dc motor depends on None of the listed here Flux only Speed only Both flux and speed None of the listed here Flux only Speed only Both flux and speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors Small dc motors up to 5 HP usually have 4 poles 6 poles 8 poles 2 poles 4 poles 6 poles 8 poles 2 poles ANSWER DOWNLOAD EXAMIANS APP
DC Motors A compensating winding is an auxiliary winding embedded in slots in Partly in pole faces, partly in armature None of the listed here The pole faces of main poles The armature Partly in pole faces, partly in armature None of the listed here The pole faces of main poles The armature ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc machines the residual magnetism is of the order of 2 to 3 percent 20 to 25 percent 50 to 75 percent 10 to 15 percent 2 to 3 percent 20 to 25 percent 50 to 75 percent 10 to 15 percent ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS