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Chemical Engineering :: Chemical Engineering Basics

  1. Stoneware pipes used for sewers for carrying sewage normally is joined by __________ joint.

  2. A.
    spigot and socket
    B.
    flanged iron
    C.
    collar
    D.
    expansion

  3. Which of the following parameters is actually measured during tensile testing of a specimen using Universal testing machine?

  4. A.
    Load & elongation.
    B.
    Engineering stress & strain.
    C.
    True stress & strain.
    D.
    Poisson's ratio & Young's modulus.

  5. 'End cooler' or 'after cooler' is employed in air compressor mainly to

  6. A.
    remove oil vapour or moisture from air.
    B.
    cool the dry air before use.
    C.
    reduce the volumetric capacity of receiver.
    D.
    none of these.

  7. Streaklines, streamlines & pathlines are almost identical for __________ fluid flow.

  8. A.
    ideal
    B.
    uniform
    C.
    steady
    D.
    none of these

  9. The suction and delivery pressure for a two stage compressor are 1 and 25 atm respectively. The intermediate stage pressure would be around __________ atm.

  10. A.
    5
    B.
    10
    C.
    15
    D.
    20

  11. The term 'Value' in value engineering technique refers to the __________ cost of the product.

  12. A.
    function (utility)
    B.
    selling
    C.
    production
    D.
    total

  13. Melting point & boiling points of liquid oxygen are respectively - 218.8°C & - 183°C, while the same for liquid nitrogen is - 210°C & - 195.8°C respectively. The difference in melting points of liquid oxygen & liquid nitrogen is not equal to 8.8

  14. A.
    °C
    B.
    °F
    C.
    °K
    D.
    °R

  15. The entropy change for a spontaneous process is

  16. A.
    > 0 for the system.
    B.
    < 0 for the system.
    C.
    > 0 for the system & the surrounding.
    D.
    < 0 for the system & the surrounding.

  17. Milligram of KOH required to saponify 1 gm of oil is called its __________ number.

  18. A.
    saponification
    B.
    acid
    C.
    precipitation
    D.
    emulsion

  19. Pick out the wrong statement about a fast breeder reactor.

  20. A.
    uses molten sodium as moderator.
    B.
    converts fertile fuel into fissile fuel.
    C.
    requires highly enriched fuel.
    D.
    produces more fuel than it consumes.