DC Motors If the speed of a dc shunt motor is increased the back emf of the motor will Increase Remains same Decrease Become zero Increase Remains same Decrease Become zero ANSWER DOWNLOAD EXAMIANS APP
DC Motors The dirction of rotation of a dc series motor can be changed by Either of Interchanging field or Interchanging supply Interchanging field terminals None of the listed here Interchanging supply terminals Either of Interchanging field or Interchanging supply Interchanging field terminals None of the listed here Interchanging supply terminals ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following motor is preferred for operation in highly explosive atmosphere? Air motor Series motor Shunt motor Battery operated motor Air motor Series motor Shunt motor Battery operated motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors ______ motors never use belt connected loads. Shunt Cummulative compounded Series Differentially compounded Shunt Cummulative compounded Series Differentially compounded ANSWER DOWNLOAD EXAMIANS APP
DC Motors Small dc motors up to 5 HP usually have 6 poles 4 poles 2 poles 8 poles 6 poles 4 poles 2 poles 8 poles ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc motor is still used in industrial applications because it Is simple in construction None of the listed here Provides fine speed control Is cheap Is simple in construction None of the listed here Provides fine speed control Is cheap ANSWER DOWNLOAD EXAMIANS APP