When two D.C. generators are running in parallel an equilizer bar is used______________?

Related Mcqs:

The insulating material used between the commutator segments is normally_____________?

A. graphite B. paper C. mica D. insulating varnish...

In D.C. generators, lap winding is used for______________?

A. high voltage, high current B. low voltage, high current C. high voltage, low current D. low voltage, low current...

Open circuited armature coil of a D.C. machine is________________?

A. identified by the scarring of the commutator segment to which open circuited coil is connected B. indicated by a spark completely around the commutator C. both A. and (b) D. none of the above...

If residual magnetism is present in a D.C. generator, the induced e.m.f. at zero speed will be____________?

A. zero B. small C. the same as rated voltage D. high...

The series field of a short-shunt D.C. generator is excited by_______________?

A. external current B. armature current C. shunt current D. load current...