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Home Chemical Engineering Process Equipment and Plant Design Comments

  • Question
  • Pick out the wrong statement


  • Options
  • A. For all the cylindrical process vessels operating above atmospheric pressure, formed heads are used for closing the vessel.
  • B. Fouling factor of river water is less than that of sea water.
  • C. Risers provided in bubble cap trays in the distillation column facilitate the flow of both liquid and vapor.
  • D. both (b) and (c).

  • Correct Answer
  • both (b) and (c). 


  • Process Equipment and Plant Design problems


    Search Results


    • 1. In case of a shell and tube heat exchanger, the minimum shell thickness for carbon steel (inclusive of corrosion allowance) depends on shell diameter and is in the range of __________ mm.

    • Options
    • A. 3-5
    • B. 5-11
    • C. 8-15
    • D. 12-18
    • Discuss
    • 2. __________ tray arrangement is recommended for distillation column having diameter upto 4 ft.

    • Options
    • A. Radial flow
    • B. Cross flow
    • C. Split flow
    • D. Cascade
    • Discuss
    • 3. Steam side heat transfer co-efficient for design consideration under ordinary condition can be assumed to be about __________ kcal/hr.m2.°C.

    • Options
    • A. 1250
    • B. 2500
    • C. 7500
    • D. 15000
    • Discuss
    • 4. The value of fouling factor depends upon the

    • Options
    • A. characteristic of process fluid.
    • B. velocity of process fluid containing suspended solids.
    • C. suspended solids in the fluid.
    • D. all (a), (b) and (c).
    • Discuss
    • 5. To keep the power input constant for a stirred vessel operating under fully developed turbulent flow conditions (constant power number), if the impeller diameter is increased by 20%, the impeller speed should be decreased by a factor of

    • Options
    • A. (1.2)3/2
    • B. (1.2)3/5
    • C. (1.2)2/3
    • D. (1.2)5/3
    • Discuss
    • 6. In a multipass shell and tube heat exchanger, the shell side cross flow area does not depend upon

    • Options
    • A. baffle spacing
    • B. clearance
    • C. pitch
    • D. none of these
    • Discuss
    • 7. Which of the following may not need a moderator?

    • Options
    • A. Candu reactor
    • B. Fast breeder reactor
    • C. Homogeneous reactor
    • D. Pressurised water reactor
    • Discuss
    • 8. MeV is the unit of

    • Options
    • A. radioactivity
    • B. energy
    • C. potential difference
    • D. none of these
    • Discuss
    • 9. Energy equivlant to one atomic mass unit (amu) is __________ MeV.

    • Options
    • A. 9.31
    • B. 93.1
    • C. 931
    • D. 9310
    • Discuss
    • 10. The second underground nuclear test was conducted by India at

    • Options
    • A. Jaisalmer
    • B. Pokhran
    • C. Kalpakkan
    • D. Narora
    • Discuss


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