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Chemical Engineering :: Chemical Process

  1. Main use of liquid nitrogen is in

  2. A.
    rocket propulsion.
    B.
    making gun powder.
    C.
    detergent manufacture.
    D.
    refrigerative cooling.

  3. Comparing sulphate process with sulphite process, we find that __________ in the later.

  4. A.
    both temperature & pressure in the former is less than that
    B.
    both temperature & pressure in the former is more than that
    C.
    temperature is more in the former whereas pressure is more
    D.
    pressure is more in the former whereas temperature is less

  5. Which of the following is a disacchride ?

  6. A.
    Sucrose
    B.
    Glucose
    C.
    Starch
    D.
    Maltose

  7. Proximate analysis of coal determines its __________ content.

  8. A.
    moisture, ash, sulphur & volatile matter
    B.
    moisture & volatile matter
    C.
    moisture, sulphur, nitrogen & fixed carbon
    D.
    none of these

  9. Pick out the exothermic reaction out of the following:

  10. A.
    C + H2O = CO + H2
    B.
    CaC2 + H2O = Ca(OH)2 + C2H2
    C.
    MgCO3 = MgO + CO2
    D.
    all (a), (b) and (c)

  11. __________ is produced using polycondensation reaction.

  12. A.
    Polythene
    B.
    Phenol formaldehyde
    C.
    Poly vinyl chloride
    D.
    none of these

  13. Raw materials required for the manufacture of __________ is acetylene and hydrochloric acid.

  14. A.
    phthalic anhydride
    B.
    vinyl chloride
    C.
    maleic anhydride
    D.
    dacron

  15. In industrial nomenclature, alcohol means

  16. A.
    butyl alcohol
    B.
    propyl alcohol
    C.
    ethanol
    D.
    methyl alcohol

  17. Which of the following is the purest form of water out of the following ?

  18. A.
    Underground water
    B.
    Rain water
    C.
    Well water
    D.
    Lake water

  19. Use of water having dissolved oxygen in boilers promotes

  20. A.
    corrosion
    B.
    sequestration
    C.
    scale formation
    D.
    none of these