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Chemical Engineering - Chemical Engineering Basics

Exercise : Chemical Engineering Basics - Section 6
36.
Function of blow down valve in a boiler is to
maintain the drum level.
keep the drum pressure constant.
drain out the sludge from the drum.
empty the boiler during shutdown.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
Insulation of liquid surface can be achieved by __________ on top of its surface.
floating hollow polypropylene spheres
spraying alumina powder
putting cement
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
Consider an ideal solution of components A and B. The entropy of mixing per mole of an alloy containing 50 wt% B is
R ln 2
-R ln 2
3 R ln 2
-3R ln 2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
Out of the following, the lowest packing of atoms exists in __________ crystal lattice structure.
hexagonal close, packed (hcp)
face centred cubic (fcc)
body centred cubic (bcc)
simple cubic
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
Cadmium in zinc leach liquor is removed by cementation using
zinc
iron
nickel
copper
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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