Engineering Metallurgy MCQs | Page - 4

Dear candidates you will find MCQ questions of Engineering Metallurgy 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 • 52.61K Points
Coach 

Q. the pearlitic microstructure which is obtain after patenting process is suitable to which manufacturing process

(A) casting of cylindrical block
(B) forging of cam shaft
(C) drawing of wires
(D) all of the above
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M

Mr. Dubey • 52.61K Points
Coach 

Q. Identify following fig.

(A) iron-carbon pha diagram
(B) al-cu phase diagram
(C) t.t.t. daigram
(D) none of the above
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M

Mr. Dubey • 52.61K Points
Coach 

Q. An eutectoid steel consists of

(A) wholly pearlite
(B) wholly austenite
(C) pearlite and ferrite
(D) pearlite and cementite
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M

Mr. Dubey • 52.61K Points
Coach 

Q. In normalizing, one of the following is not correct

(A) it relieves internal stresses
(B) it produces a uniform structure
(C) the rate of cooling is rapid
(D) the rate of cooling is slow
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M

Mr. Dubey • 52.61K Points
Coach 

Q. Fine grain sizes are obtained by

(A) slow cooling
(B) increasing nucleation rate
(C) decreasing growth rate
(D) fast cooling
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M

Mr. Dubey • 52.61K Points
Coach 

Q. Which one of the following is not the purpose of full annealing

(A) refines grains
(B) induces softness
(C) removes strains and stresses
(D) produces hardest material
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M

Mr. Dubey • 52.61K Points
Coach 

Q. Annealing is generally done to impart

(A) hardness to the material
(B) softness to the material
(C) brittleness to the material
(D) high conductivity to the material
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M

Mr. Dubey • 52.61K Points
Coach 

Q. Which of the following processes is used to harden a steel?

(A) normalizing
(B) annealing
(C) carburizing
(D) quenching
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M

Mr. Dubey • 52.61K Points
Coach 

Q. The hardness of quenched Martensite

(A) increases with increasing carbon percentage
(B) decreases as carbon percentage increases
(C) first increases and then remains almost constant as the carbon percentage increases
(D) first increases and then decreases as carbon percentage increases.
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M

Mr. Dubey • 52.61K Points
Coach 

Q. Match the phases of steel in Group I with the crystal structures in Group II P. Martensite 1. bcc Q. Cementite 2. fcc R. Austenite 3. bct S. Ferrite 4. Orthorhombic

(A) p-3, q-4, r-1, s-2
(B) p-2, q-3, r-1, s-4
(C) p-3, q-4, r-2, s-1
(D) p-4, q-3, r-2, s-1
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