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

Related Mcqs:

In D.C. motor which of the following can sustain the maximum temperature rise?

A. Slip rings B. Commutator C. Field winding D. Armature winding...

In case of conductively compensated D.C. series motors, the compensating winding is provided______________?

A. as separately wound unit B. in parallel with armature winding C. in series with armature winding D. in parallel with field winding...

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...

Which of the following loss in a D.C. generator varies significantly with the load current ?

A. Field copper loss B. Windage loss C. Armature copper loss D. None of the above...

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...