With the increase in temperature, the speed of DC series motor______________?

Related Mcqs:

According to Fleming’s left-hand rule, when the forefinger points in the direction of the field or flux, the middle finger will point in the direction of_________________?

A. current in the conductor aovtaat of conductor C. resultant force on conductor D. none of the above...

In D.C. machines fractional pitch winding is used__________?

A. to improve cooling B. to reduce copper losses C. to increase the generated e.m.f. D. to reduce the sparking...

Flywheel is used with D.C. compound motor to reduce the peak demand by the motor, compound motor will have to be_____________?

A. level compounded B. under compounded C. cumulatively compounded D. differentially compounded...

Which motor has the poorest speed control?

A. Differentially compounded motor B. Cumulatively compounded motor C. Shunt motor D. Series motor...

Which method of braking is generally used in elevators ?

A. Plugging B. Regenerative braking C. Rheostatic braking D. None of the above...