Which of the following motors is non-self starting ?

Related Mcqs:

Which of the following resistances can be measured by conducting insulation resistance test on a synchronous motor ?

A. Phase to phase winding resistance B. Stator winding to earthed frame C. Rotor winding to earthed shaft D. All of the above...

In a synchronous motor, the maximum power developed depends on all of the following except:

A. rotor excitation B. maximum value of coupling angle C. direction of rotation D. supply voltage...

In a synchronous motor, the magnitude of stator back e.m.f. & depends on_______________?

A. d.c. excitation only B. speed of the motor C. load on the motor D. both the speed and rotor flux...

When load on an over-excited or under excited synchronous*motor is increased, rate of change of its armature current as compared with that of power factor is___________?

A. more B. less C. equal D. twice...

If in a synchronous motor, driving a given mechanical load and drawing current at a leading power factor from constant voltage supply its field excitation is increased, its power factor

A. will become more B. will become less C. will remain unchanged D. none of the above....