DC Motors Which of the following methods gives the greatest braking torque? Rheostatic braking Plugging None of the listed here Regenerative braking Rheostatic braking Plugging None of the listed here Regenerative braking ANSWER DOWNLOAD EXAMIANS APP
DC Motors During rheostat braking of dc series motor Motor is run at reduced speed Motor is reversed in direction Motor is run as a generator None of the listed here Motor is run at reduced speed Motor is reversed in direction Motor is run as a generator None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors When the speed of dc motor increases, its armature current Decreases None of the listed here Increases Remains same Decreases None of the listed here Increases Remains same ANSWER DOWNLOAD EXAMIANS APP
DC Motors In which of the following tests only one motor is required? Brake test Hopkinson's test Swinburne's test Field's test Brake test Hopkinson's test Swinburne's test Field's test ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following motors is most suitable for signalling devices and many kinds of timers ? C. shunt motor Induction motor C. series motor Reluctance motor C. shunt motor Induction motor C. series motor Reluctance motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors If the terminals of armature of D.C. motor are interchanged, this action will offer following kind of braking Regenerative Plugging Dynamic braking None of these Regenerative Plugging Dynamic braking None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS