DC Motors The rheostatic speed control method is very Economical Suitable for getting speeds above the normal Efficient Unsuitable for rapidly changing loads Economical Suitable for getting speeds above the normal Efficient Unsuitable for rapidly changing loads 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 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 Interchanging supply terminals ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following motor has the poorest speed regulation? Differentially compound motor Cummulative compound motor Shunt motor Series motor Differentially compound motor Cummulative compound motor Shunt motor Series motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a dc motor is Directly proportional to flux per pole inversely proportional to applied voltage None of the listed here inversely proportional to flux per pole Directly proportional to flux per pole inversely proportional to applied voltage None of the listed here inversely proportional to flux per pole ANSWER DOWNLOAD EXAMIANS APP
DC Motors The mechanical power developed by a shunt motor will be maximum when the ratio of back emf to applied voltage is 2.0 4.0 0.5 1.0 2.0 4.0 0.5 1.0 ANSWER DOWNLOAD EXAMIANS APP
DC Motors In which of the following tests only one motor is required? Swinburne's test Hopkinson's test Field's test Brake test Swinburne's test Hopkinson's test Field's test Brake test ANSWER DOWNLOAD EXAMIANS APP
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