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Mechanical Engineering - Engineering Materials

Exercise : Engineering Materials - Section 5
21.
Iron-carbon alloys containing 4.3% carbon are known as hypo-eutectic cast irons.
Correct
Incorrect
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
The approximate height of a blast furnace is
10 m
20 m
30 m
40 m
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
A steel alloy containing 36% nickel is called
stainless steel
high speed steel
invar
heat resisting steel
Answer: Option
Explanation:
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24.
The addition of manganese to aluminium improves corrosion resistance.
Correct
Incorrect
Answer: Option
Explanation:
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25.
The temperature point at which the change ends on heating the steel is called
lower critical point
upper critical point
point of recalescence
point of decalescence
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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