The mechanical power developed by a shunt motor will be maximum when the ratio of back e.m.f. to applied voltage is______________?

Related Mcqs:

Kingdom Protoctista includes_______________?

A. Prokaryotic organisms B. Unicellular organisms C. Fungi D. Eu-cariotiquic organisms...

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...

Which of the following motors one will choose to drive the rotary compressor ?

A. D.C. shunt motor B. D.C. series motor C. Universal motor D. Synchronous motor...

A dc series motor should not be started on no load because it would___________?

A. not develop starting torque B. fail to start without load C. run at dangerously high speed D. draw more current without producing sufficient torque...