Exercise: Engineering Materials

Questions for: Engineering Materials

Iron ore is, usually, found in the form of
A:
oxides
B:
carbonates
C:
sulphides
D:
all of these
Answer: D
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The electric process of steel making is especially adopted to
A:
alloy and carbon tool steel
B:
magnet steel
C:
high speed tool steel
D:
all of these
Answer: D
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The dieing down of a white flame during the operation of a bessemer converter indicates that the air is burning out silicon and manganese.
A:
Yes
B:
No
C:
D:
Answer: B
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The heat treatment process used for softening hardened steel is
A:
carburising
B:
normalising
C:
annealing
D:
tempering
Answer: D
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Nimonic contains __________ percentage of nickel as that of Inconel.
A:
same
B:
less
C:
more
D:
Answer: A
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