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Chemical Engineering - Materials and Construction

Exercise : Materials and Construction - Section 7
6.
Polythene (low or high density) containers are not corroded by
sulphuric acid (10%) at room temperature.
nitric acid (95%) at room temperature.
sulphur trioxide at 60°C.
any of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
Bronze is an alloy of copper and
lead
tin
nickel
zinc
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
Which of the following exercises most powerful influence on the mechanical properties of steel ?
Manganese
Carbon
Phosphorous
Silicon
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
Percentage of silver in German silver is
5
10
20
0
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
Balls in a ball mill are usually made of
steel
cast iron
stainless steel
bronze
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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