Which of the following could be lamina-proximately the thickness of laminations of a D.C. machine ?

Related Mcqs:

For a D.C. generator when the number of poles and the number of armature conductors is fixed, then which winding will give the higher e.m.f___________ ?

A. Lap winding B. Wave winding C. Either of A. and B. above D. Depends on other features of design...

For a D.C. machines laboratory following type of D.C. supply will be suitable___________?

A. rotary converter B. mercury are rectifier C. induction motor D.C. generator set D. synchronous motor D.C. generator set...

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...

In a separately excited generator supplying rated load the armature reaction.

A. is always present B. is always absent C. may be sometimes present D. none of the above...

The terminal voltage of a series generator is 150 V when the load current is 5 A. If the load current is increased to 10 A, the terminal voltage will be____________?

A. 150 V B. less than 150 V C. greater than 150 V D. none of the above...