Exercise: Engineering Materials

Questions for: Engineering Materials

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
Answer: D
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In flame hardening, oxy-acetylene flame is used.
A:
Yes
B:
No
C:
D:
Answer: A
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Blast furnace is used to produce
A:
pig iron
B:
cast iron
C:
wrought iron
D:
steel
Answer: A
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Cartidge brass can be
A:
cold rolled into sheets
B:
drawn into wires
C:
formed into tube
D:
any one of these
Answer: D
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The hardness of steel depends upon the
A:
amount of cementite it contains
B:
amount of carbon it contains
C:
contents of alloying elements
D:
method of manufacture of steel
Answer: B
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