If a D.C. motor designed for 40°C ambient temperature is to be used for 50°C ambient temperature, then the motor_____________?

Related Mcqs:

The ratio of starting torque to full-load torque is least in case of____________?

A. series motors B. shunt motors C. compound motors D. none of the above...

For the same H.P. rating and full load speed, following motor has poor starting torque_____________?

A. shunt B. series C. differentially compounded D. cumulativelyc’ompounded...

If the speed of a D.C. shunt motor is increased, the back e.m.f. of the motor will_________?

A. increase B. decrease C. remain same D. become zero...

Torque developed by a D.C. motor depends upon_____________?

A. magnetic field B. active length of the conductor C. current flow through the conductors D. number of conductors E. radius of armature F. all above factors...

Armature reaction in dc motor results___________?

A. decrease in speed B. increase in speed C. short circuit D. open circuit...