DC Motors A dc motor is still used in industrial applications because it Is simple in construction Is cheap Provides fine speed control None of the listed here Is simple in construction Is cheap Provides fine speed control None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors What will happen if the back emf of a dc motor vanishes suddenly? The motor will continue to run The motor will stop The armature may burn The motor will run noisy The motor will continue to run The motor will stop The armature may burn The motor will run noisy ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following motors is most suitable for signalling devices and many kinds of timers ? Induction motor Reluctance motor C. series motor C. shunt motor Induction motor Reluctance motor C. series motor C. shunt motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors In which of the following tests only one motor is required? Field's test Hopkinson's test Swinburne's test Brake test Field's test Hopkinson's test Swinburne's test Brake test ANSWER DOWNLOAD EXAMIANS APP
DC Motors The dirction of rotation of a dc series motor can be changed by Interchanging supply terminals Either of Interchanging field or Interchanging supply None of the listed here Interchanging field terminals Interchanging supply terminals Either of Interchanging field or Interchanging supply None of the listed here Interchanging field terminals ANSWER DOWNLOAD EXAMIANS APP
DC Motors ______ motor has the best speed regulation. Cummulative compounded Differentially compounded Shunt Series Cummulative compounded Differentially compounded Shunt Series ANSWER DOWNLOAD EXAMIANS APP