A.Elutriation
B.Tabling
C.Jigging
D.Froth floatation
Explanation: The correct answer is Tabling.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 27 of 557.
Chemical Engineering MCQs
Showing page 27 of 557 · 8,342 total solved questions available.
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A.Hard water contains sulphate
B.They form insoluble calcium soaps which precipitate
C.None of these
D.They attract back the removed dirt
Explanation: The correct answer is They form insoluble calcium soaps which precipitate.
Submitted by: Academy of Pakistan
A.Vapour molecular weight
B.Pressure and temperature
C.All A., B. and C.
D.Molal flow rate of vapour
Explanation: The correct answer is All A., B. and C..
Submitted by: Academy of Pakistan
A.1000 to 5000
B.109 to 1011
C.20000 to 25000
D.5000 to 1000
Explanation: The correct answer is 20000 to 25000.
Submitted by: Academy of Pakistan
A.1
B.19
C.82
D.7
Explanation: The correct answer is 7.
Submitted by: Academy of Pakistan
A.s/(1 + s2)
B.s/(s2 – 1)
C.1/(s2 + 1)
Explanation: The correct answer is 1/(s2 + 1).
Submitted by: Academy of Pakistan
A.Olefin
B.Aromatic
C.Paraffin
D.Naphthene
Explanation: The correct answer is Paraffin.
Submitted by: Academy of Pakistan
A.Hyperbolic
B.Parabolic
C.Asymptotic
D.Linear
Explanation: The correct answer is Linear.
Submitted by: Academy of Pakistan
A.None of these
B.Produce lower concentration NaOH
C.Require more power
D.Require lower initial investment
Explanation: The correct answer is None of these.
Submitted by: Academy of Pakistan
A.In case of liquid-liquid extraction, no separation is possible, if the selectivity of the solvent
B.All A., B. and C.
C.The selectivity of solvent used in solvent extraction is unity at the plait point
D.With increase in temperature, the selectivity of the solvent used in solvent extraction
Explanation: The correct answer is All A., B. and C..
Submitted by: Academy of Pakistan
A.Not possible in the second case unless high pressure is applied
B.More readily done in the second case compared to first one
C.Not possible in the second case unless vacuum is applied
D.None of these
Explanation: The correct answer is More readily done in the second case compared to first one.
Submitted by: Academy of Pakistan
A.4
B.13
C.34
D.22
Explanation: The correct answer is 13.
Submitted by: Academy of Pakistan
A.Dilute H2SO4
B.Concentrated NHO3
C.Concentrated H2SO4
D.Concentrated HCl
Explanation: The correct answer is Dilute H2SO4.
Submitted by: Academy of Pakistan
A.1/μ
B.μ
Explanation: The correct answer is 1/μ.
Submitted by: Academy of Pakistan
A.10/55
B.1/55
C.5.5
D.1
Explanation: The correct answer is 1.
Submitted by: Academy of Pakistan