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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.

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  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

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  5. Which of the following is a disacchride ?

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

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  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

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  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)

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  11. __________ is produced using polycondensation reaction.

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

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  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

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  15. In industrial nomenclature, alcohol means

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

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  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

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  19. Use of water having dissolved oxygen in boilers promotes

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

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