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Chemical Engineering - Chemical Engineering Basics

Exercise : Chemical Engineering Basics - Section 20
26.
Holes for rivetting purposes should be preferably made by
cutting torch
drilling
punching
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
One of the methods of purification of leach liquor is ion exchange, which involves
exchange between two liquid phases.
exchange between a gaseous phase and a liquid phase.
exchange between a liquid phase and an organic resin phase.
exchange between a solid phase and a gas phase.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
A steam pipe is intended to be insulated with two layers of insulating materials of different thermal conductivities. For minimum heat transfer to take place
the better insulation material should be put just next to pipe (i.e., inside).
the better insulating material should be put outside.
either of the insulating material could be put on either side.
steam temperature is considered before deciding as to which insulating material is to be put inside (i.e., just next to the pipe).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
Large diameter shafts are manufactured by
hot rolling.
cold drawing.
casting and turning to size.
forging and turning to size.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
Common salt is produced from sea water in India generally by the __________ method.
freeze drying
solar evaporation
electrolytic
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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