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Chemical Engineering :: Stoichiometry

  1. A 'limiting reactant' is the one, which decides the __________ in the chemical reacation.

  2. A.
    equilibrium constant
    B.
    conversion
    C.
    rate constant
    D.
    none of these

  3. If the absolute temperature of an ideal gas is tripled and simultaneously the pressure is reduced to one third; then the volume of gas will

  4. A.
    remain unaltered
    B.
    increase nine fold
    C.
    increase three fold
    D.
    decrease three fold

  5. A saturated vapor on being compressed would

  6. A.
    condense
    B.
    form wet steam
    C.
    both (a) & (b)
    D.
    neither (a) nor (b)

  7. Pick out the wrong unit conversion of thermal conductivity.

  8. A.
    1 BTU/ft2.hr.°F/ft = 1.488 kcal/m2. hr.°C/m
    B.
    1 BTU/ft2.hr.°F/inch = 1.488 kcal/m2. hr.°C/m
    C.
    1 kcal/m.hr.°C = 0.672 BTU/ft.hr.°F = 1.163 W/m. °K
    D.
    1 W/cm.°C = 85.985 kcal/m.hr.°C = 57.779 BTU/ft.hr.°F

  9. Cp - Cv, for an ideal gas is equal to

  10. A.
    R
    B.
    R/2
    C.
    2R
    D.
    3R

  11. The number of H+ in 1 c.c solution of pH 13 is

  12. A.
    6.023 xl013
    B.
    6.023 x 1010
    C.
    6.023xl07
    D.
    1013

  13. Applicability of Claussius-Clapeyron equation is subject to the condition that the

  14. A.
    vapor follows ideal gas law.
    B.
    volume in the liquid state is negligible.
    C.
    both (a) & (b)
    D.
    neither (a) nor (b)

  15. The unit of Cp in S.I. units is

  16. A.
    W/m2.°K
    B.
    J/kg.°K
    C.
    W/m.°K
    D.
    J/m3. °K

  17. Dry air is a mixture of

  18. A.
    vapors
    B.
    gases
    C.
    both (a) & (b)
    D.
    neither (a) nor (b)

  19. pH value of H2SO4 (5% concentration) is

  20. A.
    5
    B.
    7
    C.
    > 7
    D.
    < 7