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Chemical Engineering :: Chemical Engineering Basics

  1. Ammonia leakage in the refrigeration system is detected by

  2. A.
    sulphur stick, which on detection gives white smoke.
    B.
    using chemical reagents.
    C.
    its smell.
    D.
    soap solution.

  3. Fibre glass is a composite material of

  4. A.
    glass fibre in a polymer matrix.
    B.
    glass fibre in a metallic matrix.
    C.
    polymer fibre in a glassy matrix.
    D.
    both 'b' & 'c'.

  5. According to thermodynamic Farenhite scale, the fundamental interval between ice point to steam point is

  6. A.
    180°
    B.
    212°
    C.
    32°
    D.
    273°

  7. Maximum consumption of limestone is in the __________ industry.

  8. A.
    iron and steel
    B.
    cement
    C.
    glass
    D.
    fertiliser

  9. Austenite is not

  10. A.
    ductile
    B.
    malleable
    C.
    magnetic
    D.
    soft

  11. Factor of safety in machine design is defined as the ratio of ultimate stress to __________ stress.

  12. A.
    working
    B.
    bearing
    C.
    yield
    D.
    none of these

  13. Out of the following, the __________ pipe has the least corrosion resistance.

  14. A.
    mild steel
    B.
    copper
    C.
    cast iron
    D.
    wrought iron

  15. With increase in steam pressure, its specific volume decreases

  16. A.
    rapidly first and then slowly.
    B.
    linearly.
    C.
    slowly first and then rapidly.
    D.
    exponentially.

  17. Which of the following rays has the least wavelength?

  18. A.
    Ultraviolet rays
    B.
    Infrared rays
    C.
    Cosmic rays
    D.
    X-rays

  19. Hydrocyclone is a

  20. A.
    crusher
    B.
    wet classifier
    C.
    dry classifier
    D.
    magnetic separator