DC Motors For a D.C. shunt motor if the excitation is changed Torque and power both will change Torque, power and speed, all will change Torque will remain constant Torque will change but power will remain constant Torque and power both will change Torque, power and speed, all will change Torque will remain constant Torque will change but power will remain constant ANSWER DOWNLOAD EXAMIANS APP
DC Motors In D.C. motor which of the following can sustain the maximum temperature rise? Slip rings Armature winding Commutator Field winding Slip rings Armature winding Commutator Field winding ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which D.C. motor is generally preferred for cranes and hoists? Series motor Shunt motor Differentially compounded motor Cumulatively compounded motor Series motor Shunt motor Differentially compounded motor Cumulatively compounded motor 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 Dc shunt motors are used for driving Machine tools Hoist Trains Cranes Machine tools Hoist Trains Cranes ANSWER DOWNLOAD EXAMIANS APP
DC Motors Three point starter can be used for Both shunt and compound motor Compound motor only Shunt motor only Series motor only Both shunt and compound motor Compound motor only Shunt motor only Series motor only ANSWER DOWNLOAD EXAMIANS APP