A.All A., B. and C.
B.Improves the activity of a catalyst
C.Itself has very high activity
D.Acts as a catalyst support
Explanation: The correct answer is Improves the activity of a catalyst.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 358 of 557.
Chemical Engineering MCQs
Showing page 358 of 557 · 8,342 total solved questions available.
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A.Preheated secondary air
B.Very little excess air
C.High amount/current of combustion air
D.Low amount/current of combustion air
Explanation: The correct answer is High amount/current of combustion air.
Submitted by: Academy of Pakistan
A.Secondary
B.Fine
C.Ultrafine
D.Primary
Explanation: The correct answer is Fine.
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A.Back pitch
B.Pitch
C.None of these
D.Margin
Explanation: The correct answer is Margin.
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A.1 to 1.5
B.6 to 8
C.2.5 to 3.5
D.4 to 5
Explanation: The correct answer is 1 to 1.5.
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A.Both B. & C.
B.Furfural
C.Methyl ethyl ketone (MEK)
D.Propane
Explanation: The correct answer is Propane.
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A.Malleability
B.Ductility
C.Hardness
D.None of these
Explanation: The correct answer is Ductility.
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A.5
B.50
C.0.05
D.0.5
Explanation: The correct answer is 0.5.
Submitted by: Academy of Pakistan
A.Diameter & friction factor
B.Fluid flow rate & friction loss
C.Length & friction factor
D.Length & diameter
Explanation: The correct answer is Fluid flow rate & friction loss.
Submitted by: Academy of Pakistan
A.Polystyrene is a thermoplastic polymer
B.Protein is a natural polymer
C.Polythene is a copolymer, while SBR is a homopolymer
D.Neoprene is a natural rubber
Explanation: The correct answer is Neoprene is a natural rubber.
Submitted by: Academy of Pakistan
A.Cellulose
B.Lignin
C.Starch
D.Gelatine
Explanation: The correct answer is Cellulose.
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A.Colebrook
B.Nikuradse
C.Blasius
D.Von-Karman
Explanation: The correct answer is Nikuradse.
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A.Making it denser
B.Decreasing its thermal co-efficient of expansion
C.Increasing its porosity
D.Using a coarser grog during its manufacture
Explanation: The correct answer is Making it denser.
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A.Aromatic compounds
B.Olefins
C.Paraffins
D.Aliphatic compounds
Explanation: The correct answer is Aromatic compounds.
Submitted by: Academy of Pakistan
A.All A., B. & C.
B.Nature of solute
C.Concentration of solution
D.Nature of solvent
Explanation: The correct answer is All A., B. & C..
Submitted by: Academy of Pakistan