A.Beehive coke ovens
B.Coke oven walls
C.Open hearth furnace roof
D.Dome and upper portion of B.F. stoves
Explanation: The correct answer is Beehive coke ovens.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 32 of 557.
Chemical Engineering MCQs
Showing page 32 of 557 · 8,342 total solved questions available.
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A.Aromatics
B.Olefins
C.Naphthenes
D.i-paraffins
Explanation: The correct answer is Aromatics.
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A.Pore radius of the catalyst only
B.Molecular velocity only
C.Molecular mean free path only
D.Molecular velocity and pore radius of the catalyst
Explanation: The correct answer is Molecular velocity and pore radius of the catalyst.
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A.Magnesium
B.Manganese
C.Phosphorous
D.Chromium
Explanation: The correct answer is Magnesium.
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A.Surface active agent
B.Both A. & B.
C.Electrolyte
D.Neither A. nor B.
Explanation: The correct answer is Both A. & B..
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A.Do work equal to loss in kinetic energy
B.Are above the inversion temperature
C.Do not exert attractive force on each other
D.Do not lose energy on collision
Explanation: The correct answer is Do not exert attractive force on each other.
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A.None of these
B.Equal
C.Half
D.Twice
Explanation: The correct answer is Half.
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A.Operating conditions (e.g. pressure and temperature)
B.None of these
C.Density of mixture
D.Rate constant
Explanation: The correct answer is Density of mixture.
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A.Ammonium chloride
B.Ammonium nitrate
C.Ammonium sulphate
D.Urea
Explanation: The correct answer is Ammonium sulphate.
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A.35 K
B.154 K
C.274 K
D.174 K
Explanation: The correct answer is 274 K.
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A.Decreases its melting point
B.Makes it malleable
C.Increases its melting point
D.Does not affect its melting point
Explanation: The correct answer is Decreases its melting point.
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A.Sulphite
B.Mechanical
C.Neutral sulphite semi-chemical
D.Sulphate/Kraft
Explanation: The correct answer is Neutral sulphite semi-chemical.
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A.SiO2
B.CaO
C.MgO
D.Al2O3
Explanation: The correct answer is MgO.
Submitted by: Academy of Pakistan
A.None of these
B.Pore diffusion
C.Gas film
D.Chemical reaction
Explanation: The correct answer is Pore diffusion.
Submitted by: Academy of Pakistan
A.is more accurate in finding the number of equilibrium stages
B.accounts for the enthalpy changes in the process
C.All A, B. & C.
D.Facilitates direct calculation of heat load on reboiler & condenser from, the diagram used in
Explanation: The correct answer is All A, B. & C..
Submitted by: Academy of Pakistan