DC Motors The speed of a dc motor can be controlled by changing Is flux Aplied voltage All of the listed here Armature circuit resistance Is flux Aplied voltage All of the listed here Armature circuit resistance ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc motor, the brushes are shifted from the mechanical neutral plane in a direction opposite to the rotation to _____ Increase speed Decrease speed Reduce sparking Produce flat characteristics Increase speed Decrease speed Reduce sparking Produce flat characteristics ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a dc motor is Directly proportional to flux per pole inversely proportional to flux per pole None of the listed here inversely proportional to applied voltage Directly proportional to flux per pole inversely proportional to flux per pole None of the listed here inversely proportional to applied voltage ANSWER DOWNLOAD EXAMIANS APP
DC Motors If the supply voltage for a D.C. motor is increased, which of the following will decrease? Starting torque All of these Full-load current Operating speed Starting torque All of these Full-load current Operating speed 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 The maximum end play of a motor is about 2 mm 0.4 mm 6 mm 10 mm 2 mm 0.4 mm 6 mm 10 mm ANSWER DOWNLOAD EXAMIANS APP