Chemical Engineering - Chemical Engineering Basics

31.
__________ of test specimens is not involved in any hardness testing method.
Fracture
Indentation
Wear
Scratch
Answer: Option
Explanation:
No answer description is available. Let's discuss.

32.
Out of the following, the most ductile material is
mild steel
copper
nickel
aluminium
Answer: Option
Explanation:
No answer description is available. Let's discuss.

33.
What happens, when SO2 is passed through a solution of H2S in water ?
Precipitation of sulphur takes place.
H2SO3 is formed.
Oleum is formed.
None of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

34.
Which of the following will resist maxi-mum shock & vibration without cracking?
Grey cast iron
White cast iron
Malleable iron
Graphite
Answer: Option
Explanation:
No answer description is available. Let's discuss.

35.
Surface tension of a liquid
is due to intermolecular forces of cohesion.
decreases with rise in temperature.
is responsible for the spherical shape of an isolated liquid drop.
all (a), (b) & (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.