DC Motors For a D.C. shunt motor if the excitation is changed 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 Torque will change but power will remain constant ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc motor is still used in industrial applications because it None of the listed here Provides fine speed control Is simple in construction Is cheap None of the listed here Provides fine speed control Is simple in construction Is cheap ANSWER DOWNLOAD EXAMIANS APP
DC Motors The dirction of rotation of a dc series motor can be changed by None of the listed here Either of Interchanging field or Interchanging supply Interchanging supply terminals Interchanging field terminals None of the listed here Either of Interchanging field or Interchanging supply Interchanging supply terminals Interchanging field terminals ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc series motor is that which Has almost constant speed Has its field winding consisting of thick wire and less turns Has a poor torque Can be started easily without load Has almost constant speed Has its field winding consisting of thick wire and less turns Has a poor torque Can be started easily without load ANSWER DOWNLOAD EXAMIANS APP
DC Motors By flux control method of speed control of a dc shunt motor, we can obtain speeds. None of the listed here Above the normal speed only Below the normal speed only Above as well as below the normal speed None of the listed here Above the normal speed only Below the normal speed only Above as well as below the normal speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a dc motor is inversely proportional to applied voltage inversely proportional to flux per pole None of the listed here Directly proportional to flux per pole inversely proportional to applied voltage inversely proportional to flux per pole None of the listed here Directly proportional to flux per pole ANSWER DOWNLOAD EXAMIANS APP