Electrical Engineering : Dc Generators QUESTIONS AND ANSWERS :: part4 : 21 to 25
Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
21.In a D.C. generator |
| external resistance = internal char-acteristic - armature reaction |
| internal characteristic = magnetisation characteristic - ohmic drop |
| external characteristic = magnetisation characteristic - ohmic drop - armature reaction |
| magnetisation characteristic = external characteristic |
22.Which of the following generators will be preferred if they are required to be run in parallel ? |
| Shunt generators |
| Series generators |
| Compound generators |
| None of the above |
23.In any rotating machine that part which houses the conductors and in which e.m.f. induced is to be utilised is called |
| rotor |
| stator |
| field |
| armature |
24.If residual magnetism is present in a D.C. generator, the induced e.m.f. at zero speed will be |
| zero |
| small |
| the same as rated voltage |
| high |
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