Electrical Engineering : Dc Generators QUESTIONS AND ANSWERS :: part3 : 11 to 15
Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
11.For the parallel operation of two or more D.C. compound generators, we should ensure that |
| voltage of the incoming generator should be same as that of bus bar |
| polarity of incoming generator should be same as that of bus bar |
| all the series fields should be run in parallel by means of equilizer connection |
| series fields of all generators should be either on positive side or negative side of the armature |
12.The e.m.f. induced in the armature of a shunt generator is 600 V. The armature resistance is 0.1 ohm. If the armature current is 200 A, the terminal voltage will be |
| 640 V |
| 620 V |
| 600 V |
| 580 V |
13.D.C. generator generally preferred for charging automobile batteries is |
| series generator |
| shunt generator |
| long shunt compound generator |
| any of'the above |
14.D.C. series generator is used |
| to supply traction load |
| to supply industrial load at constant voltage |
| voltage at the toad end of the feeder |
| for none of the above purpose |
15.In a D.C. generator the critical resistance refers to the resistance of |
| brushes |
| field |
| armature |
| load |
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