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Mechanical Engineering - Engineering Materials

Exercise : Engineering Materials - Section 6
11.
The catalysts are used to accelerate the chemical reaction during the process of ploymerisation of plastics.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
Muntz metal (Yellow brass) contains
70% copper and 30% zinc
60% copper and 40% zinc
59% copper, 40% zinc and 1% tin
60.45% copper, 35.2% zinc and 5.35% nickel
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
Which of the following gives the correct order of increasing hot hardness of cutting tool materials?
Diamond, Carbide, High speed steel
Carbide, Diamond, High speed steel
High speed steel, Carbide, Diamond
High speed steel, Diamond, Carbide
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
The slag from the blast furnace
is used as a ballast for rail road
is mixed with tar for road making
consists of calcium, aluminium and ferrous silicates
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
Which of the following is a mesomorphous material?
Mica
Silver
Lead
Brass
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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