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Chemical Engineering :: Stoichiometry

  1. The viscosity of water at room temperature may be around one

  2. A.
    centipoise
    B.
    poise
    C.
    stoke
    D.
    both (b) &(c)

  3. A flowsheet is given in the following figure:

    If the single pass once through conversion of A to B is 20%, then the rate of recycle R (molds/hr) is

  4. A.
    300
    B.
    400
    C.
    500
    D.
    600

  5. The heat capacity of most substances is greater for the __________ state.

  6. A.
    solid
    B.
    liquid
    C.
    gaseous
    D.
    none of these

  7. The temperature at which real gases obey the ideal gas law over a wide range of pressure is called the __________ temperature.

  8. A.
    reduced
    B.
    Boyle
    C.
    critical
    D.
    inversion

  9. Elements in a periodic table are arranged in order of their

  10. A.
    atomic number.
    B.
    mass number.
    C.
    atomic weight.
    D.
    metallic characteristics.

  11. For most salts, the solubility increases with rise in temperature, but the solubility of __________ is nearly independent of temperature rise.

  12. A.
    sodium chloride
    B.
    sodium carbonate monohydrate
    C.
    anhydrous sodium sulphate
    D.
    hypo

  13. The molecules of a liquid which is in equilibrium with its vapor at its boiling point on an average have equal __________ in the two phases.

  14. A.
    potential energy
    B.
    intermolecular forces
    C.
    kinetic energy
    D.
    total energy

  15. If a solution of eutectic composition is cooled, __________ reaching the eutectic temperature.

  16. A.
    the solvent begins to freeze out even before
    B.
    it will undergo no change until
    C.
    it will not solidify even on
    D.
    none of these

  17. Which of the following is not a unit of length ?

  18. A.
    Parsec
    B.
    Angstrom
    C.
    Barn
    D.
    Fermi

  19. The density of a gas 'X' is twice that of another gas 'Y'. If the molecular weight of gas 'Y' is 'M'; then the molecular weight of the gas 'X' will be

  20. A.
    2M
    B.
    M/2
    C.
    M
    D.
    M/4