Chemical Engineering - Materials and Construction

36.
Visco-elastic behaviour of materials which is time dependent is common in
plastics
crystalline solid
non-crystalline solids
non-crystalline organic polymer
Answer: Option
Explanation:
No answer description is available. Let's discuss.

37.
Which of the following is not an alloy of copper ?
Muntz metal
Admirability gun metal
German silver
Pewter metal
Answer: Option
Explanation:
No answer description is available. Let's discuss.

38.
Which of the following is the most prone to atmospheric corrosion ?
Silver
Iron
Tin
Copper
Answer: Option
Explanation:
No answer description is available. Let's discuss.

39.
As the impurities are oxidised, the melting point of iron
decreases.
remains unchanged.
increases.
may increase or decrease ; unpredictable.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

40.
In a plate type heat exchanger, heat transfer plates are never made of
stainless steel
cast iron
titanium
hastealloy C
Answer: Option
Explanation:
No answer description is available. Let's discuss.