Q. A 220 V D.C. generator is run at full speed without any excitation. The open circuit voltage will be
✅ Correct Answer: (B)
about 2 V
D.C. Generators MCQs | Page - 1
Dear candidates you will find MCQ questions of D.C. Generators here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
Q. A cumulatively compounded long shunt generator when operating as a motor would be
✅ Correct Answer: (B)
differentially compounded long shunt
Q. A D.C. generator works on the principle of
✅ Correct Answer: (C)
Faraday's law of electromagnetic induction
Q. A separately excited generator as compared to a self-excited generator
✅ Correct Answer: (D)
has all above features
Q. A series generator can self-excite
✅ Correct Answer: (B)
only if the load current is not zero
Q. A shunt generator can self-excite
✅ Correct Answer: (A)
only if the resistance of the field circuit is less than critical value
Q. A shunt generator running at 1000 r.p.m. has generated e.m.f. as 200 V. If the speed increases to 1200 r.p.m., the generated e.m.f. will be nearly
✅ Correct Answer: (C)
240 V
Q. A sinusoidal voltage of 5 Hz is applied to the field of a shunt generator. The armature voltage wave
✅ Correct Answer: (B)
will be of 5 Hz
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