If a D.C. generator fails to build up the probable cause could not be

Related MCQs

• Following D.C. generator will be in a position to build up without any residual magnetism in the poles
• The losses occurring in a D.C. generator are given below. Which loss is likely to have highest proportion at rated load of the generator ?
• A separately excited generator as compared to a self-excited generator
• Which of the following components of a D.C, generator plays vital role for providing direct current of a D.C. generator ?
• Two generators A and B have 6-poles each. Generator A has wave wound armature while generator B has lap wound armature. The ratio of the induced e.m.f. is generatorA and B will be
• The e.m.f. generated by a shunt wound D.C. generator isE. Now while pole flux remains constant, if the speed of the generator is doubled, the e.m.f. generated will be
• In a D.C. generator all of the following could be the effects of iron losses except
• Which of the following D.C. generators will be in a position to build up without any residual magnetism in the poles ?
• Which of the following loss in a D.C. generator varies significantly with the load current ?
• Which of the following steps is likely to result in reduction of hysteresis loss in a D.C. generator ?