Exercise: Engineering Materials

Questions for: Engineering Materials

The temperature required for full annealing in hyper-eutectoid steel is
A:
30° C to 50° C above upper critical temperature
B:
30° C to 50° C below upper critical temperature
C:
30° C to 50° C above lower critical temperature
D:
30° C to 50° C below lower critical temperature
Answer: C
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The alloy, mainly used for corrosion resistance in stainless steels is
A:
silicon
B:
manganese
C:
carbon
D:
chromium
Answer: D
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A steel containing 16 to 18% chromium and about 0.12% carbon is called
A:
ferritic stainless steel
B:
austenitic stainless steel
C:
martensitic stainless steel
D:
nickel steel
Answer: A
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In low carbon steels, __________ raises the yield point and improves the resistance to atmospheric corrosion.
A:
sulphur
B:
phosphorus
C:
manganese
D:
silicon
Answer: B
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Shock resistance of steel is increased by adding
A:
nickel
B:
chromium
C:
nickel and chromium
D:
sulphur, lead and phosphorus
Answer: C
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