A.15 to 20
B.20 to 30
C.1 to 5
D.5 to 10
Explanation: The correct answer is 5 to 10.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 337 of 557.
Chemical Engineering MCQs
Showing page 337 of 557 · 8,342 total solved questions available.
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A.High temperature in a PFR
B.High temperature in a CSTR
C.Low temperature in a CSTR
D.Low temperature in a PFR
Explanation: The correct answer is High temperature in a PFR.
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A.Calandria vertical tube evaporator
B.Horizontal tube evaporator
C.Long vertical evaporator
D.Agitated film evaporator
Explanation: The correct answer is Agitated film evaporator.
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A.Not at all stable (like nascent O2)
B.Either more or less stable; depends on the compound
C.Less stable
D.More stable
Explanation: The correct answer is More stable.
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A.Low temperature only
B.High temperature
C.Both low temperature and high pressure
D.Low pressure
Explanation: The correct answer is Both low temperature and high pressure.
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A.Vent the non-condensable gases
B.Create vacuum
C.Arrest the entrained liquid
D.Regulate the vapor flow
Explanation: The correct answer is Arrest the entrained liquid.
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A.Jigging & tabling
B.None of these
C.Flocculation
D.Froth floatation
Explanation: The correct answer is Jigging & tabling.
Submitted by: Academy of Pakistan
A.Component molecules are non-polar
B.Chemical combination or molecular association between unlike molecules takes place in the
C.Size of component molecules are not equal
D.Attractive forces between like and unlike molecules in the solution are approximately equal
Explanation: The correct answer is Component molecules are non-polar.
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A.M is below G
B.M & G coincide
C.M is above G
D.None of these
Explanation: The correct answer is M is below G.
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A.Same
B.Twice
C.Less
D.More
Explanation: The correct answer is Less.
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A.CSTR
B.None of these
C.On-off controller
D.Tubular reactor
Explanation: The correct answer is Tubular reactor.
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A.Coal based thermal power plants
B.Metallurgical roasting & smelting plant
C.Petroleum refineries
D.Pulp and paper plant
Explanation: The correct answer is Coal based thermal power plants.
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A.Incurs smaller pressure drop
B.Is more suitable, if suspended solids are present in fluid streams
C.Allows installation of cooling coils
D.Is less costly when built in large sizes/diameters
Explanation: The correct answer is Incurs smaller pressure drop.
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A.Fruits jam
B.Distilled water
C.Salt
D.Alcohol
Explanation: The correct answer is Distilled water.
Submitted by: Academy of Pakistan
A.1
B.0
Explanation: The correct answer is 1.
Submitted by: Academy of Pakistan