A.Glass cloth
B.Metal cloth of monel or stainless steel
C.Cotton fabric
D.Nylon
Explanation: The correct answer is Cotton fabric.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 75 of 557.
Chemical Engineering MCQs
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A.Inversely proportional to
B.Independent of
C.Inversely proportional to the square root of
D.Directly proportional to
Explanation: The correct answer is Inversely proportional to.
Submitted by: Academy of Pakistan
A.Its recovery cost by distillation may be prohibitively high
B.It cannot be recovered by distillation
C.It will decompose while recovering by distillation
D.The pressure drop and hence the pumping cost will be very high
Explanation: The correct answer is Its recovery cost by distillation may be prohibitively high.
Submitted by: Academy of Pakistan
A.60
B.100
C.95
D.30
Explanation: The correct answer is 60.
Submitted by: Academy of Pakistan
A.175
B.165.4
C.167.5
D.172.5
Explanation: The correct answer is 165.4.
Submitted by: Academy of Pakistan
A.Hexamethylene diamine and Maleic anhydride
B.Dimethyl terephthalate and ethylene glycol
C.Caprolactam
D.Hexamethylene diamine and adipic acid
Explanation: The correct answer is Hexamethylene diamine and adipic acid.
Submitted by: Academy of Pakistan
A.Molecular mean free path is high
B.Mass transfer is accompanied by reaction
C.Diffusion of A is in stagnant medium B
D.There is equimolar counter diffusion
Explanation: The correct answer is There is equimolar counter diffusion.
Submitted by: Academy of Pakistan
A.The extraction per unit of total height for a short packed column is more effective than for a
B.Natural draft cooling towers are made of ferroconcrete and its cross-section is wider at the
C.Vander wall adsorption is also called chemisorption
D.With decrease in feed temperature, the number of plates required for binary distillation
Explanation: The correct answer is Vander wall adsorption is also called chemisorption.
Submitted by: Academy of Pakistan
A.Slightly less
B.Only slightly more
C.Almost equal
D.Much more
Explanation: The correct answer is Much more.
Submitted by: Academy of Pakistan
A.Utilities
B.Fixed
C.Capital
D.Overhead
Explanation: The correct answer is Utilities.
Submitted by: Academy of Pakistan
A.Adiabatic expansion through a throttle valve (Joule-Thomson expansion)
B.Merely compressing the gas beyond its critical pressure
C.Adiabatic expansion against a piston or in a turbine
D.Exchange of heat with colder stream
Explanation: The correct answer is Adiabatic expansion through a throttle valve (Joule-Thomson expansion).
Submitted by: Academy of Pakistan
A.Dispersion
B.None of these
C.Kneading
D.Mastication
Explanation: The correct answer is Kneading.
Submitted by: Academy of Pakistan
A.Linear low density
B.Low density
C.Cross-linked
D.High density
Explanation: The correct answer is High density.
Submitted by: Academy of Pakistan
A.32μLV/gc.D2
B.64/Re
C.f (L/D) (v2/2gc). ρ
D.4f (L/D) (v2/2gc). ρ
Explanation: The correct answer is 4f (L/D) (v2/2gc). ρ.
Submitted by: Academy of Pakistan
A.Sodium carbonate
B.Rosin
C.Benzyl acetate
D.Borax
Explanation: The correct answer is Borax.
Submitted by: Academy of Pakistan