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Chemical Engineering :: Chemical Engineering Basics

  1. Velocity of a gas in sound is not proportional to (where, T = Absolute temperature of the gas. P = Absolute pressure of the gas. y = Ratio of specific heats (Cp/Cv) ρ = specific weight of the gas)

  2. A.
    T
    B.
    1/p
    C.
    y
    D.
    1/ρ

  3. A material lacking in toughness is usually termed as

  4. A.
    plastic
    B.
    malleable
    C.
    brittle
    D.
    ductile

  5. The basic constituent of vegetable oils is

  6. A.
    triglyceride
    B.
    fatty acids
    C.
    fatty alcohol
    D.
    mono esters

  7. Latent heat of dry steam at atmospheric pressure is 539 Kcal/kg; which __________ with increase in the pressure of steam.

  8. A.
    decreases
    B.
    increases
    C.
    remains same
    D.
    may increase or decrease

  9. Which of the following terminology is used for the temperature at which new grains are formed in a metal ?

  10. A.
    Eutectic temperature.
    B.
    Lower critical temperature.
    C.
    Recrystallisation temperature.
    D.
    Upper critical temperature.

  11. When a tuning fork vibrates, the waves produced in the fork are

  12. A.
    stationary
    B.
    longitudinal
    C.
    progressive
    D.
    transverse

  13. Fatigue limit of a material should not be increased by

  14. A.
    shot peening
    B.
    surface decarburisation
    C.
    understressing
    D.
    cold working

  15. For a fixed cross-sectional area, the most economical channel section has maximum

  16. A.
    wetted perimeter.
    B.
    fluid discharge rate.
    C.
    fluid velocity.
    D.
    depth of flowing fluid.

  17. Pellets are not as popular a burden as sinter in the iron blast furnace, because of their

  18. A.
    shape.
    B.
    swelling tendency.
    C.
    poor reducibility.
    D.
    low mechanical strength.

  19. A form of stress corrosion failure termed as 'season cracking' is generally observed in

  20. A.
    thermosetting polymers.
    B.
    high carbon steels.
    C.
    brasses.
    D.
    borosilicate glasses.