logo

CuriousTab

CuriousTab

Discussion

Home ‣ Chemical Engineering ‣ Mechanical Operations Comments
  • Question

  • Which of the following is not used as a surface active agent in a flocculation operation?


  • Options
  • A. Sodium silicate
  • B. Quartz
  • C. Lime
  • D. Alumina

  • Correct Answer
  • Quartz 

    • Mechanical Operations problems

    Search Results

    • 1. Removal of activated carbon from glycerine is done by

    • Options
    • A. plate and frame filter
    • B. rotary vacuum filter
    • C. batch basket centrifuge
    • D. none of these
      • Discuss
    • 2. A propeller agitator

    • Options
    • A. produces mainly axial flow.
    • B. is used for mixing high viscosity pastes.
    • C. runs at very slow speed (2 rpm).
    • D. all (a), (b) and (c)
      • Discuss
    • 3. Which of the following screens has the maximum capacity?

    • Options
    • A. Grizzlies
    • B. Trommels
    • C. Shaking screen
    • D. Vibrating screen
      • Discuss
    • 4. Raw materials are charged in the iron blast furnace using

    • Options
    • A. bucket elevator
    • B. skip hoist
    • C. screw conveyor
    • D. none of these
      • Discuss
    • 5. __________ centrifuge is the most suitable for separation of non-friable crystals.

    • Options
    • A. Tubular bowl
    • B. Disc-bowl
    • C. Perforated horizontal basket continuous
    • D. Suspended batch basket
      • Discuss
    • 6. Which of the following is not used as filter aid?

    • Options
    • A. Asbestos
    • B. Diatomaceous earth
    • C. Purified wood cellulose
    • D. Rice husk
      • Discuss
    • 7. Which of the following is a fine crusher?

    • Options
    • A. Blake jaw crusher
    • B. Gyratory crusher
    • C. Toothed roll crusher
    • D. Dodge jaw crusher
      • Discuss
    • 8. Carbon black is pulverised in a

    • Options
    • A. hammer crusher
    • B. ball mill
    • C. roll crusher
    • D. gyratory crusher
      • Discuss
    • 9. Limestone is normally crushed in a

    • Options
    • A. roll crusher
    • B. hammer crusher
    • C. ball mill
    • D. tube mill
      • Discuss
    • 10. What is the reduction ratio in a fine crushing operation having following feed and product sizes?

    • Options
    • A. 0.5
    • B. 2
    • C. 5
    • D. 10
      • Discuss

    Comments

    There are no comments.
Enter a new Comment




Aptitude

Engineering

Programming

Reasoning

Links

Copyright ©CuriousTab. All rights reserved.