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Dear candidates you will find MCQ questions of Electrical and Electronics Engineering 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.

M

Mr. Dubey • 51.43K Points
Coach

Q. 1) The basic requirement of a dc armature winding is that it must be

(A) a closed one
(B) a lap winding
(C) a wave winding
(D) either b or c
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M

Mr. Dubey • 51.43K Points
Coach

Q. 2) The sole purpose of a commutator in a dc generator is to

(A) increase output voltage
(B) reduce sparking at brushes
(C) provide smoother output
(D) convert the induced ac into dc
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M

Mr. Dubey • 51.43K Points
Coach

Q. 3) In a dc generator, the generator, the generated emf is directly proportional to the

(A) field current
(B) pole flux
(C) number of armature parallel paths
(D) number of dummy coils
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M

Mr. Dubey • 51.43K Points
Coach

Q. 4) Voltage equation of a dc motor is

(A) v = eb + iara
(B) eb = v + iara
(C) v = eb/iara
(D) v = eb + ia2ra
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M

Mr. Dubey • 51.43K Points
Coach

Q. 5) which of the following motor has the constant speed?

(A) series motor
(B) shunt motor
(C) cumulatively compound motor
(D) all of the above
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M

Mr. Dubey • 51.43K Points
Coach

Q. 6) The usual test to find the efficiency of the traction motor is

(A) field\s test
(B) retardation test
(C) hopkinson\s test
(D) swinburn\s test
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M

Mr. Dubey • 51.43K Points
Coach

Q. 7) A DC series motor is best for driving

(A) lathes
(B) cranes and hoists
(C) shears and punches
(D) machine tools
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M

Mr. Dubey • 51.43K Points
Coach

Q. 8) In a DC series motor increasing the load current will

(A) decrease the speed
(B) increase the speed
(C) better commutation
(D) increase the back emf
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Mr. Dubey • 51.43K Points
Coach

Q. 9) The DC motor, which can provide zero speed regulation at full load without any controller is

(A) series
(B) shunt
(C) cumulative compound
(D) differential compound
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M

Mr. Dubey • 51.43K Points
Coach

Q. 10) In 8 - pole wave connected motor armature, the number of parallel paths are

(A) 8
(B) 4
(C) 2
(D) 1
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