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Chemical Engineering :: Stoichiometry

  1. Othmer chart is useful in estimating the heat of

  2. A.
    mixing
    B.
    wetting
    C.
    adsorption
    D.
    none of these

  3. The vapor pressure of water at 100°C is

  4. A.
    100N/m2
    B.
    76 cms of Hg
    C.
    13.6 cms of Hg
    D.
    760 mm wc

  5. With rise in temperature, the heat capacity of a substance

  6. A.
    increases
    B.
    decreases
    C.
    remains unchanged
    D.
    either (a) or (b); depends on the substance

  7. 1m3 is approximately equal to

  8. A.
    28 litres
    B.
    35 ft3
    C.
    4.5 litres
    D.
    4.5 ft3

  9. 1 bar is almost equal to __________ atmosphere.

  10. A.
    1
    B.
    10
    C.
    100
    D.
    1000

  11. Which of the following is the Claussius-Clayperon equation ?

  12. A.
    PV = RT + B/V + y/V2 + ....
    B.
    (P + a/V2)(V-b) = RT
    C.
    D.

  13. Kopp's rule is useful for the determination of

  14. A.
    molal heat capacities of gases.
    B.
    heat capacities of solids.
    C.
    activation energy.
    D.
    heat capacities of gases.

  15. Pick out the wrong unit conversion.

  16. A.
    1 J = 1 W.Second = 107 ergs = 9.5 x 10-4 BTU = 0.2389 calorie
    B.
    1 Watt = 746 hp
    C.
    -
    D.
    -

  17. Viscosity of 1 centipoise is equal to 1 centis-toke in case of

  18. A.
    water
    B.
    mercury
    C.
    carbon tetrachloride
    D.
    none of these

  19. Which of the following is insensitive to changes in pressure ?

  20. A.
    Heat of vaporisation
    B.
    Melting point
    C.
    Heat of fusion
    D.
    Both (b) and (c)