DC Motors Three point starter can be used for Both shunt and compound motor Series motor only Compound motor only Shunt motor only Both shunt and compound motor Series motor only Compound motor only Shunt motor only 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 100% of the previous value 50% of the previous value 10% of the previous value 25% of the previous value 100% of the previous value 50% of the previous value 10% of the previous value ANSWER DOWNLOAD EXAMIANS APP
DC Motors Carbon brushes are preferable to copper brushes because _____ They have lower resistance They reduce sparking They reduce armature reaction They have longer life They have lower resistance They reduce sparking They reduce armature reaction They have longer life ANSWER DOWNLOAD EXAMIANS APP
DC Motors Dc shunt motors are used for driving Hoist Machine tools Cranes Trains Hoist Machine tools Cranes Trains ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following motors is most suitable for signalling devices and many kinds of timers ? Reluctance motor C. series motor C. shunt motor Induction motor Reluctance motor C. series motor C. shunt motor Induction motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors No load speed of which of the following motor will be highest? Series motor Differentially compounded motor Shunt motor Cummulative compounded motor Series motor Differentially compounded motor Shunt motor Cummulative compounded motor ANSWER DOWNLOAD EXAMIANS APP
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