Showing posts with label D.C. Generators MCQ (English). Show all posts
Showing posts with label D.C. Generators MCQ (English). Show all posts

Jan 20, 2020

DC Generators Multiple Choice Questions And Answers In English -06

Monday, January 20, 2020
dc generator objective type question answer


1. When two D.C. generators are running in parallel an equalizer bar is used
(A) to increase the series flux
(B) to increase the generated e.m.f.
(C) to reduce the combined effect of AR-mature reaction of both the machines
(D) so that the two identical machines will pass approximately equal currents to the load
Ans: (D)

2. In a D.C. generator in order to reduce sparking at brushes, the self-induced e.m.f. in the coil is neutralised by all of the following except
(A) interpoles
(B) dummy coils
(C) compensating winding
(D) shifting of axis of brushes
Ans: (B)
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Sep 14, 2019

D.C. Generators Multiple Choice Questions And Answers In English -05

Saturday, September 14, 2019

1. Wave winding is composed of
(A) any even number of conductors
(B) any odd number of conductors
(C) that even number which is exact multiple of poles + 2
(D) that even number which is exact multiple of poles
Ans: C

2. D.C. series generator is used
(A) to supply traction load
(B) to supply industrial load at constant voltage
(C) voltage at the toad end of the feeder
(D) for none of the above purpose
Ans: C
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Aug 31, 2019

D.C. Generators Multiple Choice Questions And Answers In English -04

Saturday, August 31, 2019

1. With a D.C. generator which of the following regulation is preferred ?
(A) 100% regulation
(B) infinite regulation
(C) 50% regulation
(D) 1% regulation
Ans: D

2. Which generator would you prefer for feeding long D.C. transmission lines ?
(A) Series generator
(B) Shunt generator
(C) Over compound generator
(D) Flat compound generator
Ans: C
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Jul 12, 2019

D.C. Generators Multiple Choice Questions And Answers In English -03

Friday, July 12, 2019

1. A D.C. generator can be considered as
(A) rectifier
(B) prime mover
(C) rotating amplifier
(D) power pump
Ans: C

2. In any rotating machine that part which houses the conductors and in which e.m.f. induced is to be utilised is called
(A) rotor
(B) stator
(C) field
(D) armature
Ans: D
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Jun 28, 2019

D.C. Generators Multiple Choice Questions And Answers In English -02

Friday, June 28, 2019

1. Welding generator will have
(A) lap winding
(B) wave winding
(C) delta winding
(D) duplex wave winding
Ans: A

2. In case of D.C. machine winding, number of commutator segments is equal to
(A) number of armature coils
(B) number of armature coil sides
(C) number of armature conductors
(D) number of armature turns
Ans: A
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Jun 26, 2019

D.C. Generators Multiple Choice Questions And Answers In English -01

Wednesday, June 26, 2019

1. Lamination’s of core are generally made of
(A) case iron
(B) carbon
(C) silicon steel
(D) stainless steel
Ans: C

2. Which of the following could be lamina-proximately the thickness of lamination’s of a D.C. machine ?
(A) 0.005 mm
(B) 0.05 mm
(C) 0.5 mm
(D) 5 mm
Ans: C
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