A.Liquid extraction
B.Evaporation
C.Absorption
D.Distillation
Explanation: The correct answer is Liquid extraction.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 109 of 557.
Chemical Engineering MCQs
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A.AgO
B.Al2O3
C.Fe2O3
D.ZnCl2
Explanation: The correct answer is AgO.
Submitted by: Academy of Pakistan
A.Is not affected
B.Increases
C.Increases linearly
D.Decreases
Explanation: The correct answer is Increases.
Submitted by: Academy of Pakistan
A.V/T = Constant
B.PV/T = Constant
C.V ∝ 1/T
D.V ∝ 1/P
Explanation: The correct answer is V/T = Constant.
Submitted by: Academy of Pakistan
A.Fluctuating
B.None of these
C.Compressive
D.Tensile
Explanation: The correct answer is Fluctuating.
Submitted by: Academy of Pakistan
A.Ash
B.Sulphur (4-6%)
C.Moisture
D.Volatile matter
Explanation: The correct answer is Sulphur (4-6%).
Submitted by: Academy of Pakistan
A.Its softening
B.Depression of its freezing point
C.A treatment to retard its deterioration due to oxidation
D.Improving its curing rate
Explanation: The correct answer is Its softening.
Submitted by: Academy of Pakistan
A.Treating in biological oxygen pond
B.Chlorination
C.None of these
D.Chemical coagulation
Explanation: The correct answer is Treating in biological oxygen pond.
Submitted by: Academy of Pakistan
A.√(2πd)
B.d
C.√(2d)
Explanation: The correct answer is d.
Submitted by: Academy of Pakistan
A.Improving heat transfer
B.Providing support for the tubes
C.Preventing the fouling of tubes & stagnation of shell side fluid
D.Both A & B
Explanation: The correct answer is Both A & B.
Submitted by: Academy of Pakistan
A.CO2, O2, CO
B.O2, CO2, CO
C.CO2, CO, O2
D.CO, O2, CO2
Explanation: The correct answer is CO2, O2, CO.
Submitted by: Academy of Pakistan
A.Is carried out at atmospheric pressure
B.Produces fuel oil of lower viscosity
C.Uses natural gas as feed
D.Produces gasoline only
Explanation: The correct answer is Produces fuel oil of lower viscosity.
Submitted by: Academy of Pakistan
A.None of these
B.Photochemical oxidation of organic matter
C.Biological decay of vegetable matter
D.Volcanic eruptions and lightening discharges
Explanation: The correct answer is None of these.
Submitted by: Academy of Pakistan
A.Intermittent and uncontrolled combustion of the fuel
B.Excessive power requirement of air blower
C.Enhanced sensible heat loss in the flue gas
D.High exit flue gas temperature from the furnace
Explanation: The correct answer is Enhanced sensible heat loss in the flue gas.
Submitted by: Academy of Pakistan
A.Pressure drop across the cake & filter medium
B.Area of filtering surface & the viscosity of filtrate
C.All A., B. and C.
D.Cake & filter medium resistance
Explanation: The correct answer is All A., B. and C..
Submitted by: Academy of Pakistan