A.> 200
B.1-25
C.< 0.025
D.> 1
Explanation: The correct answer is < 0.025.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 355 of 557.
Chemical Engineering MCQs
Showing page 355 of 557 · 8,342 total solved questions available.
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A.Screw conveyor
B.Skip hoist
C.Bucket elevator
D.None of these
Explanation: The correct answer is Skip hoist.
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A.-q/(1-q)
B.-q/(q-1)
C.None of these
D.-q
Explanation: The correct answer is -q/(1-q).
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A.9000
B.100
C.10000
D.900
Explanation: The correct answer is 10000.
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A.Gibbs free energy
B.Internal energy
C.All (A), B. & (C)
D.Entropy
Explanation: The correct answer is Gibbs free energy.
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A.None of these
B.Dynamic pressure
C.Friction factor
D.Static pressure
Explanation: The correct answer is Static pressure.
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Polymerisation reactor used for the production of styrene butadiene rubber (SBR) is made of________?
0A.Karbate
B.Cast iron
C.Wrought iron
D.Stainless steel or glass lined vessel
Explanation: The correct answer is Stainless steel or glass lined vessel.
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A.Cold cracking of a weld is due to the presence of hydrogen gas in the weld
B.Phosphorous can be easily recovered in the iron blast furnace
C.High residual stress at the surface is beneficial for fatigue properties of a material
D.True stress is given by, ζ = ζE (1 + εE), where ζE and εE are engineering stress and
Explanation: The correct answer is Phosphorous can be easily recovered in the iron blast furnace.
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A.Remain same
B.First increases upto a certain temperature and then becomes constant
C.Increases
D.Decreases
Explanation: The correct answer is Decreases.
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A.Maximum velocity
B.Average velocity
C.Point velocity
D.Pressure
Explanation: The correct answer is Average velocity.
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A.Nimonic alloys
B.Hastelloy
C.Inconel
D.Duralumin
Explanation: The correct answer is Duralumin.
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A.Aluminium
B.High carbon steel
C.Copper
D.Cast iron
Explanation: The correct answer is Cast iron.
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A.Number of ions
B.Oxidation number
C.Number of electrons
D.All A, B. & C.
Explanation: The correct answer is Number of electrons.
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A.Sum of all resistances
B.Maximum resistance in the series
C.Minimum resistance presents in the series
D.Average of all resistances
Explanation: The correct answer is Sum of all resistances.
Submitted by: Academy of Pakistan
With increase in C/H ratio of a fuel, the amount of CO2 formed on its complete combustion________?
0A.Increases
B.Either A. or B., depends on other factors
C.Remain same
D.Decreases
Explanation: The correct answer is Increases.
Submitted by: Academy of Pakistan