A.Over compound generator
B.Flat compound generator
C.Shunt generator
D.Series generator
Explanation: The correct answer is Over compound generator.
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D.C. Generators in Electrical Engineering MCQs: 120 practice questions with answer choices and available explanations. Page 6 of 8.
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D.C. Generators
Showing page 6 of 8 · 120 total solved questions available.
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A.1 : 3
B.3 : 2
C.3 : 1
D.2 : 3
Explanation: The correct answer is 3 : 1.
Submitted by: Academy of Pakistan
A.ampere-turns
B.flux density
C.resistance
D.reluctance
Explanation: The correct answer is reluctance.
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A.265 V
B.267.5 V
C.257.4 V
D.270 V
Explanation: The correct answer is 267.5 V.
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A.6
B.8
C.2
D.4
Explanation: The correct answer is 4.
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A.Separately excited generator
B.Shunt generator
C.Compound generator
D.Series generator
Explanation: The correct answer is Series generator.
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A.load
B.brushes
C.field
D.armature
Explanation: The correct answer is field.
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A.field resistance less than the critical resistance
B.imperfect brush contact
C.faulty shunt connections tending to reduce the residual magnetism
D.no residual magnetism in the generator
Explanation: The correct answer is field resistance less than the critical resistance.
Submitted by: Academy of Pakistan
A.generated voltage is proportional to the load on the generator
B.voltage remains constant irrespective of the load
C.speed varies in proportion to the load on the generator
D.voltage generated is less than the rated voltage
Explanation: The correct answer is voltage remains constant irrespective of the load.
Submitted by: Academy of Pakistan
A.crossmagnetising
B.demagnetising
C.none of above
D.magnetising
Explanation: The correct answer is crossmagnetising.
Submitted by: Academy of Pakistan
A.sum of front and back pitches
B.division of front pitch by back pitch
C.multiplication of front and back pitches
D.difference of front and back pitches
Explanation: The correct answer is difference of front and back pitches.
Submitted by: Academy of Pakistan
A.neutralise the armature reaction flux
B.perform none of the above functions
C.neutralise the commutating self induced e.m.f.
D.neutralise both the armature reaction flux as well as commutating e.m.f. induced in the coil
Explanation: The correct answer is neutralise both the armature reaction flux as well as commutating e.m.f. induced in the coil.
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A.irrespective of the value of load current
B.none of the above
C.only if the load current is not zero
D.only if the load current is zero
Explanation: The correct answer is only if the load current is not zero.
Submitted by: Academy of Pakistan
A.load current
B.shunt current
C.armature current
D.external current
Explanation: The correct answer is load current.
Submitted by: Academy of Pakistan
A.is the same as that of the immediately preceding pole
B.is the same as that of the main pole ahead
C.is opposite to that of the main pole ahead
D.is neutral as these poles do not play part in generating e.m.f.
Explanation: The correct answer is is the same as that of the main pole ahead.
Submitted by: Academy of Pakistan