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Dear candidates you will find MCQ questions of 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 • 51.43K Points
Coach

Q. 1) Silicon when added to copper increases its

(A) Brittleness
(B) Malleability
(C) Electrical conductivity
(D) Hardness
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M

Mr. Dubey • 51.43K Points
Coach

Q. 2) Local hardening of steel can be done by all of the following EXCEPT

(A) flame hardening
(B) stepped uniform heating
(C) resistance heating
(D) Low specific heat of quenching oil
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M

Mr. Dubey • 51.43K Points
Coach

Q. 3) Which of the following structure is least hard?

(A) Pearlite
(B) Presence of cementite
(C) Martensite
(D) Sorbite
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M

Mr. Dubey • 51.43K Points
Coach

Q. 4) Highest specific gravity is of

(A) Titanium
(B) Copper
(C) Lead
(D) Steel
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M

Mr. Dubey • 51.43K Points
Coach

Q. 5) In which process steel is heated below the critical temperature

(A) Temperting
(B) Hardening
(C) Carburizing
(D) Annealing
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M

Mr. Dubey • 51.43K Points
Coach

Q. 6) Under identical values of cold and hot junction temperatures which thermocouple given the highest output

(A) Iron constantan
(B) All give equal output
(C) Nickel nimo
(D) Chromel-constantan
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M

Mr. Dubey • 51.43K Points
Coach

Q. 7) In tool steel the sulphur content is usually not allowed to exceed

(A) 3.5 percent
(B) 0.035 percent
(C) 5 percent
(D) 0.001 percent
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Mr. Dubey • 51.43K Points
Coach

Q. 8) Which of the following material is not used for cyaniding?

(A) Sodium carbonate
(B) Sodium chloride
(C) Sodium hydroxide
(D) Sodium cyanide
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Mr. Dubey • 51.43K Points
Coach

Q. 9) The number of atoms per unit cell in BCC is

(A) 8
(B) 9
(C) 3
(D) 6
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Mr. Dubey • 51.43K Points
Coach

Q. 10) As per IS code, C 65 steel will have carbon percentage of

(A) 0.065 percent
(B) 0.6 to 0.7 percent
(C) 6 to 7 percent
(D) 00 to 70 percent
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