Chemical Engineering

Chemical Engineering Basics MCQs

Practice Chemical Engineering Basics MCQs for competitive exams.

Chemical Engineering Basics MCQs

Practice questions from this topic.

In a totally irreversible isothermal expansion process for an ideal gas, ΔE = 0, ΔH = 0. Then ΔQ and ΔS will be

  1. A. ΔQ = 0, ΔS=0
  2. B. ΔQ = 0 , ΔS = +ve
  3. C. ΔQ = 0, ΔS = -ve
  4. D. ΔQ = +ve , ΔS= +ve
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α-rays are

  1. A. Negatively charged
  2. B. Positively charged
  3. C. Neutral
  4. D. Same as X-rays
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Lap joints are preferred over butt joints in soldering/brazing, because these joints are

  1. A. Weaker in tension but stronger in shear
  2. B. Weaker in shear but stronger in tension
  3. C. Stronger in both shear and tension
  4. D. The lap joints are easily made
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At room temperature, F.C.C. crystal structure is observed in

  1. A. Lead
  2. B. Cupro-nickel
  3. C. Titanium
  4. D. Tungsten
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Dryness fraction of dry steam is

  1. A. 0
  2. B. infty
  3. C. 1
  4. D. 0.5
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Enzymes belong to the category of

  1. A. Proteins
  2. B. Carbohydrates
  3. C. Vitamins
  4. D. Fats
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While the thermosetting polymers are amorphous in nature, the thermoplastic polymers are either amorphous or crystalline. The crystalline polymers are characterised by the

  1. A. Low impact strength
  2. B. High flexibility
  3. C. Better finish and surface appearance
  4. D. High plastic deformation
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For preparation of porous bearings by powder metallurgy, preferred particle shape is

  1. A. Spherical
  2. B. Nodular
  3. C. Irregular
  4. D. No preferred shape
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__________ property of a material is determined by the Herbert Pendulum device.

  1. A. Hardness
  2. B. Tensile
  3. C. Toughness
  4. D. Compressive
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Out of the following, the highest emf for a given temperature is generated by the __________ thermocouple.

  1. A. Chromel - alumel
  2. B. Iron - constantan
  3. C. Platinum - platinum + rhodium
  4. D. Copper-constantan
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Metal cutting by oxy-acetylene flame is accomplished by the __________ of the metal.

  1. A. Burning
  2. B. Intensive oxidation
  3. C. Evaporation
  4. D. None of these
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Shampoos are commercially not available in the form of

  1. A. Powder
  2. B. Gaseous mixture
  3. C. Solution
  4. D. Emulsion
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