DC Motors A direct on line starter is used for starting motors Upto 5 HP Upto 10 HP Upto 20 HP Upto 15 HP Upto 5 HP Upto 10 HP Upto 20 HP Upto 15 HP ANSWER DOWNLOAD EXAMIANS APP
DC Motors For a D.C. shunt motor if the excitation is changed Torque will change but power will remain constant Torque will remain constant Torque and power both will change Torque, power and speed, all will change Torque will change but power will remain constant Torque will remain constant Torque and power both will change Torque, power and speed, all will change ANSWER DOWNLOAD EXAMIANS APP
DC Motors One D.C. motor drives another D.C. motor. The second D.C. motor when excited and driven Runs as a generator Does not run as a generator Also runs as a motor comes to stop after sometime None of these Runs as a generator Does not run as a generator Also runs as a motor comes to stop after sometime None of these ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a dc motor is comnected across the AC supply it will Run at lower speed Burn due to heat produced in the field winding by eddy currents Run at normal speed Not run Run at lower speed Burn due to heat produced in the field winding by eddy currents Run at normal speed Not run ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which motor should be used for centrifugal pumps? None of the listed here Shunt motor Either series or shunt Series motor None of the listed here Shunt motor Either series or shunt Series motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors In the dc motor the iron losses occur in Armature Commutator Field Brushes Armature Commutator Field Brushes ANSWER DOWNLOAD EXAMIANS APP