A.14
B.35
C.85
D.50
Explanation: The correct answer is 50.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 36 of 557.
Chemical Engineering MCQs
Showing page 36 of 557 · 8,342 total solved questions available.
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A.Copper and nickel
B.Iron, nickel and chromium
C.Copper and tin
D.Tin, zinc and nickel
Explanation: The correct answer is Iron, nickel and chromium.
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A.Speed of the rolls
B.Product size
C.Feed size
D.Diameter of the rolls
Explanation: The correct answer is Speed of the rolls.
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A.Oxide film formation
B.Its high melting temperature
C.Chromium carbide formation
D.Chances of cracking
Explanation: The correct answer is Oxide film formation.
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A.Same
B.More or less depending upon the pressure & temperature inside the vessel and the nature of
C.More
D.Less
Explanation: The correct answer is Less.
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A.Oxidises
B.Reduces
C.Converts
D.Adsorbs
Explanation: The correct answer is Adsorbs.
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A.Decreases whereas the entropy increases
B.Increases
C.Is zero
D.And entropy both decrease
Explanation: The correct answer is Decreases whereas the entropy increases.
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A.Increases with decrease in porosity
B.Decreases with decreases in porosity
C.Increases with the amount of air entrapped in pores
D.Is independent of its porosity and is maximum for insulating bricks
Explanation: The correct answer is Increases with decrease in porosity.
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A.Increase in flow rate
B.Sharp rise in pressure drop
C.None of these
D.Sharp drop in pressure drop
Explanation: The correct answer is Sharp drop in pressure drop.
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A.Classifiers
B.Cyclones
C.Rotary drum filters
D.Thickeners
Explanation: The correct answer is Rotary drum filters.
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A.Pressure rises
B.Temperature rises
C.Pressure falls
D.Temperature falls
Explanation: The correct answer is Temperature rises.
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A.It is an exothermic reaction
B.The energy of reacting molecules exceeds the activation energy by absorption of light
C.None of these
D.It is a reversible reaction
Explanation: The correct answer is The energy of reacting molecules exceeds the activation energy by absorption of light.
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A.Rotor balancing
B.Angle
C.Flatness
D.Roughness
Explanation: The correct answer is Angle.
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A.Kg-mole of solute/kg-mole of solvent
B.All A., B. & C.
C.Kg-mole of solute/1000 kg of solvent
D.Kg of solute/kg of solvent
Explanation: The correct answer is All A., B. & C..
Submitted by: Academy of Pakistan
A.P ∝ 1/V, when temperature & mass of the gas remain constant
B.P/V = constant, for any gas
C.P ∝ V, at constant temperature & mass of the gas
D.P ∝ 1/V, when temperature is constant
Explanation: The correct answer is P ∝ 1/V, when temperature & mass of the gas remain constant.
Submitted by: Academy of Pakistan