Chemical Engineering Basics MCQs with answers Page - 8

Here, you will find a collection of MCQ questions on Chemical Engineering Basics. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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Q. Cold chiesel & hammers are made of

  • (A) High speed steel
  • (B) High carbon steel
  • (C) Forged steel
  • (D) Mild steel

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Q. In a casting, cold shut defect is caused by

  • (A) Low pounhg temperature
  • (B) Melt-mould reactions
  • (C) Faulty gating system
  • (D) Very low mould permeability

A

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Q. Capacity & power requirement for an air compressor working at high altitude compared to sea-level will be

  • (A) More
  • (B) Less
  • (C) Same
  • (D) Either more or less; depends on the climatic conditions

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Q. Routing in production, planning & control is concerned with the

  • (A) Sequence of operation to be performed
  • (B) Progress of work performed
  • (C) Authorisation of work to be performed
  • (D) Balancing of load on machines

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Q. The emf of a Deniell cell Zn | Zn2+ || Cu2+ | Cu can be increased by

  • (A) Decreasing the surface area of the electrodes
  • (B) Increasing the concentration of zinc sulphate solution
  • (C) Increasing the surface area of the electrodes
  • (D) Increasing the concentration of copper sulphate solution

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Q. Chlorine acts as a bleaching agent only in the presence of

  • (A) Dry air
  • (B) Pure oxygen
  • (C) Moisture
  • (D) Sunlight

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Q. During sensible cooling of air, its wet bulb temperature

  • (A) Decreases but dew point remains constant
  • (B) Increases but dew point remains constant
  • (C) Increases & the dew point decreases
  • (D) Decreases & the dew point increases

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Q. The best criterion for analysing an economic investment is the

  • (A) Rate of return criterion
  • (B) Present value method
  • (C) Salvage value
  • (D) Future value method

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Q. Atomic __________ of an element is a whole number.

  • (A) Weight
  • (B) Number
  • (C) Volume
  • (D) Radius

A

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Q. Specific heat of an ideal gas depends upon its

  • (A) Molecular weight
  • (B) Pressure
  • (C) Temperature
  • (D) Volume

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