DC Generators

What is the primary purpose of a commutator in a dc generator?

What is the primary reason for providing compensating windings in a dc generator?

The field coils of a dc generator are usually made from which of the following?

What is the voltage regulation of an ideal dc generator?

In dc shunt generator which one is called constant loss?

Which of the following will restrict the voltage build up in a shunt generator?

What is the purpose of having an equalizer bar when connecting two compound generators in parallel?

Which of the following dc generators will have a terminal voltage that varies widely with changes in load current?

Which of the following is the excitation current of the series field in a short-shunt compound dc generator?

How would you determine, from visual inspection that the armature winding is lap or wave connection?.

According the Fleming's right hand rule for finding the direction of the induced emf, the forefinger points the direction of which of the following?

Which one is true about the comparison between a dc machine and an ac machine with the same rating?

Which of the following component of-a dc generator plays an important role for providing direct current?

The yoke of a dc machine carries what percentage of the total flux?

Which of the following dc generators will build up without any residual magnetism?

Which of the following windings are used in a dc welding generator?

The armature of dc machine is made from which of the following materials?

In dc generators, the pole shoes are fastened to the pole cores using which of the following?

High voltage dc generators uses what type of windings?

What is the purpose of having a dummy coil in a dc generator?