Which D.C. motor has got maximum self relieving property ?

Related Mcqs:

If the field of a D.C. shunt motor gets opened while motor is running______________?

A. the speed of motor will be reduced % B. the armature current will reduce C. the motor will attain dangerously high speed 1 D. the motor will continue to nuvat constant speed...

Which of the following law/rule can he used to determine the direction of rotation of D.C. motor ?

A. Lenz’s law B. Faraday’s law C. Coloumb’s law D. Fleming’s left-hand rule...

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...

For a D.C. shunt motor if the excitation is changed_______________?

A. torque will remain constant B. torque will change but power will remain constant C. torque and power both will change D. torque, power and speed, all will change...

Where D.C. motor of H.P. 12 or more requires frequent starting, stopping, reversing and speed control______________?

A. drum type controller is used B. three point starter is used C. four point starter is used D. all above can be used...