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Chemical Engineering - Chemical Engineering Basics

Exercise : Chemical Engineering Basics - Section 8
21.
The trace metal present in insulin is
Cu
Zn
Fe
Ni
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
Cold cracking in the heat affected zone of a high strength steel weld can take place because of the
retained austenite.
martensite formation.
relatively high sulphur content in the base metal.
sufficient hydrogen present in the welding arc.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
Drossing is a __________ operation.
smelting
dressing
roasting
dressing
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
Most of the phosphorous present in the blast furnace burden enters into
hot metal
flue gases
slag
refractory lining
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
During sensible heating of humid air
relative humidity increases.
dew point remains constant.
dry bulb & wet bulb temperature increases.
both 'b' & 'c'.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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