A.Adiabatic process
B.Exothermic reaction
C.Endothermic reaction
D.Process involving a chemical reaction
Explanation: The correct answer is Endothermic reaction.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 252 of 557.
Chemical Engineering MCQs
Showing page 252 of 557 · 8,342 total solved questions available.
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A.Inertia force is larger than the gravitational force
B.Inertia force is larger than the surface tension force
C.Inertia force is larger than the viscous force
D.Viscous force is larger than the inertia force
Explanation: The correct answer is Inertia force is larger than the viscous force.
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A.0.5
B.1/3
C.2/3
D.1
Explanation: The correct answer is 2/3.
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A.Solution has an elevation of boiling point
B.None of these
C.Evaporators operate at atmospheric pressure
D.Evaporators operate under vacuum
Explanation: The correct answer is Solution has an elevation of boiling point.
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A.Propyl alcohol
B.Ethanol
C.Methyl alcohol
D.Butyl alcohol
Explanation: The correct answer is Ethanol.
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A.None of these
B.Does not depend on Reynolds number
C.Depends only on Reynolds number
D.Depends on the roughness
Explanation: The correct answer is Depends only on Reynolds number.
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A.Square root of the velocity
B.Washing time only
C.Square of the viscosity
D.Filtration time only
Explanation: The correct answer is Square root of the velocity.
Submitted by: Academy of Pakistan
A.The liquor left after the removal of crystals from a solution is called mother liquor
B.The first stage of crystal formation is called nucleation
C.Swenson-Walker crystalliser is a batch crystalliser
D.Super saturation of the solution is the driving potential for a crystal growth
Explanation: The correct answer is Swenson-Walker crystalliser is a batch crystalliser.
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A.5%
B.20%
C.18.18%
D.10%
Explanation: The correct answer is 20%.
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A.Independent of the temperature
B.Decreased with the increase in pressure
C.Unchanged by the pressure change
D.Increased with the increase in pressure
Explanation: The correct answer is Decreased with the increase in pressure.
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A.Bubble cap
B.Sieve/perforated tray
C.Wetted wall
D.Packed
Explanation: The correct answer is Packed.
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A.Protein
B.Amino acid
C.Biological catalyst
D.Enzyme
Explanation: The correct answer is Protein.
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A.9 to 10
B.1 to 2
C.15 to 20
D.4 to 5
Explanation: The correct answer is 4 to 5.
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A.None, ‘a’ is just a number
B.W/m.k
C.W/m.k2
D.W/m
Explanation: The correct answer is W/m.k2.
Submitted by: Academy of Pakistan
A.Cutting
B.Attrition
C.Compression
D.Impact
Explanation: The correct answer is Compression.
Submitted by: Academy of Pakistan