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Engineering Materials Questions and Answers

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Exercise

Exercise 1
Exercise 2
Exercise 3
Exercise 4

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Q 1
The maximum internal diameter of a blast furnace is about

A)   3 m

B)   6 m

C)   9 m

D)   12 m

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Correct Option - C

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Q 2
The maximum internal diameter of a blast furnace is about

A)   3 m

B)   6 m

C)   9 m

D)   12 m

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Correct Option - C

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Q 3
Which of the following process of steel making is in operation at Tata Iron and Steel Works, Jamshedpur?

A)   Bessemer process

B)   Open hearth process

C)   Duplex process

D)   Electric process

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Correct Option - C

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Q 4
The lower critical temperature

A) decreases as the carbon content in steel increases

B) increases as the carbon content in steel increases

C) is same for all steels

D) depends upon the rate of heating

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Correct Option - C

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Q 5
Silicon when added to copper improves

A)   machinability

B)   hardness

C)   hardness and strength

D)   strength and ductility

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Correct Option - C

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Q 6
Which of the following statements are true for annealing of steels?

A) Steels are heated to 500 to 700° C

B) Cooling is done slowly and steadily

C) Internal stresses are relieved

D) all of these

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Correct Option - D

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Q 7
The charge is fed into the blast furnace through the

A)   stack

B)   throat

C)   bosh

D)   tuyers

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Correct Option - B

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