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Chemical Engineering - Materials and Construction

Exercise : Materials and Construction - Section 3
46.
Hastelloy C is a good material of construction in chemical process industry, since it is
highly corrosion resistant and is readily fabricated.
relatively inexpensive although it can be fabricated with some difficulty.
corrosion resistant to most alkalis, particularly because of its copper content.
light and resists attack by acids.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
Mixing vessel used for the chlorination of methane to produce methyl chloride is made of
copper
cast iron
aluminium
high carbon steel
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
The loss of strength in compression which occurs, when there is a gain of strength in tension due to over loading is called
Bauschinger effect.
Hooke's effect.
hysterisis.
relaxation.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
Pick out the wrong statement.
Pure rubber is as useless as pure gold as a material of construction.
Thermal conductivity of aluminium is higher than that of copper; hence it is increasingly used for utensil making.
Copper has poor weldability.
Reinforced plastics are made from both thermoplastic as well as thermosetting plastics.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
The specific gravity of coal depends mainly on its __________ content.
carbon
volatile matter
ash
moisture
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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