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Chemical Engineering

Chemical Engineering MCQs

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Chemical Engineering Topics

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Chemical Engineering Basics

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Chemical Engineering Plant Economics

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Chemical Engineering Thermodynamics

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Chemical Process

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Chemical Reaction Engineering

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Environmental Engineering In Ce

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Fertiliser Technology

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Fluid Mechanics

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Fuels And Combustion

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Furnace Technology

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Heat Transfer

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Mass Transfer

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Materials And Construction

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Mechanical Operations

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Nuclear Power Engineering

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Petroleum Refinery Engineering

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Polymer Technology

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Process Control And Instrumentation

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Process Equipment And Plant Design

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Refractory Technology

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Stoichiometry

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Latest Chemical Engineering MCQs

Recently added questions from this subject.

For experimental determination of mass transfer co-efficient by wetted wall tower, the mass transfer area is

  1. A. Calculated
  2. B. Unknown
  3. C. Known
  4. D. Not required
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Pressure drop through plate tower as compared to that through packed tower, for the same duty will be

  1. A. Less
  2. B. More
  3. C. Equal
  4. D. Either A or B; depends on the packing height
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The value of Lewis number (Le = Sc/Pr) for air-water vapour system is around

  1. A. 1
  2. B. 0.24
  3. C. 3.97
  4. D. 600
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__________ is used as an 'entrainer' for the separation of acetic acid-water mixture by distillation.

  1. A. Furfural
  2. B. Benzol
  3. C. Butyl acetate
  4. D. Hexane
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To increase the absorption factor, (where, G = gas flow rate, S = solvent flow rate)

  1. A. Increase both 'G' and 'S'
  2. B. Decrease both 'G' and 'S'
  3. C. Increase 'S' and decrease 'G'
  4. D. Increase 'G' and decrease 'S'
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With increase in pressure, the relative volatility for a binary system

  1. A. Increases
  2. B. Decreases
  3. C. Remains same
  4. D. Either A or B, depends on the system
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If mass diffusivity in a mixture is equal to the thermal diffusivity, then the Lewis number is

  1. A. 0
  2. B. 1
  3. C. < 1
  4. D. > 1
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Danckwerts developed the __________ theory.

  1. A. Penetration
  2. B. Surface renewal
  3. C. Film
  4. D. None of these
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Unit operation involved in the prilling of urea is

  1. A. Evaporation
  2. B. Drying
  3. C. Crystallisation
  4. D. Both B and C
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Radioactive nuclear waste is treated in

  1. A. Mixer-settler extractor
  2. B. Rotating-disc contactor
  3. C. Pulsed column extractor
  4. D. Bollman extractor
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The adiabatic saturation curve for a vapour-gas mixture is

  1. A. Straight line
  2. B. Slightly concave upward
  3. C. Slightly concave downward
  4. D. None of these
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Hydrogenation of oil is carried out in a/an __________ in Vanaspati manufacturing plant.

  1. A. Agitated vessel
  2. B. Sieve tray column
  3. C. Bubble cap column
  4. D. Packed tower
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