DC Motors At the instant of starting when a D.C. motor is put on supply, it behaves like A low resistance circuit A highly resistive circuit None of these A capacitive circuit A low resistance circuit A highly resistive circuit None of these A capacitive circuit ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a D.C. series motor, if the armature current is reduced by 50%, the torque of the motor will be equal to 25% of the previous value 50% of the previous value 10% of the previous value 100% of the previous value 25% of the previous value 50% of the previous value 10% of the previous value 100% of the previous value 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 run noisy The armature may burn The motor will stop The motor will continue to run The motor will run noisy The armature may burn The motor will stop ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which D.C. motor is generally preferred for cranes and hoists? Shunt motor Differentially compounded motor Series motor Cumulatively compounded motor Shunt motor Differentially compounded motor Series motor Cumulatively compounded motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors The most suitable motor for elevators is the ____ motor. Shunt Differentially compuonded Cummulative compounded Series Shunt Differentially compuonded Cummulative compounded Series ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following tests will be suitable for testing two similar D.C. series motors of large capacity? Field test Brake test Swinburne's test Hopkinson's test Field test Brake test Swinburne's test Hopkinson's test ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS