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Chemical Engineering :: Chemical Process

  1. Fermentator temperature during production of alcohol from molasses is around __________ °C.

  2. A.

     5

    B.

     30

    C.

     150

    D.

     300

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  3. Vinyl chloride (CH₂ = CH.Cl) is produced by the thermal pyrolysis of ethylene dichloride at a pressure & temperature of

  4. A.

     4 kgf/cm² & 500°C

    B.

     10 kgf/cm² & 1000°C

    C.

     40 kg/cm² & 200°C

    D.

     100 kgi/cm² & 500°C

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  5. __________ process is used for the commercial production of nitric acid by the catalytic oxidation of ammonia.

  6. A.

     Solvay

    B.

     Ostwald's

    C.

     Haber's

    D.

     None of these

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  7. Phosphate rock is a raw material for the manufacture of

  8. A.

     Phosphoric acid

    B.

     Phosphorous

    C.

     Superphosphates

    D.

     All of the above

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  9. Carbon tetrachloride (CCl₄) is the starting raw material for the manufacture of

  10. A.

     Trichloroethylene

    B.

     Perchloroethylene

    C.

     Parathion

    D.

     Methanol

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  11. Salt is the basic raw material for the manufacture of

  12. A.

     Cement

    B.

     Glass

    C.

     Potteries

    D.

     Caustic soda

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  13. Fatty material used in soap making is

  14. A.

     Fatty acid

    B.

     Fatty alcohols

    C.

     Tallow

    D.

     Detergents

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  15. Lubricating greases are a mixture of

  16. A.

     Mineral oil, soap and additives

    B.

     Mineral oil and metallic soap

    C.

     Mineral oil and fatty oil

    D.

     Fatty oil and metallic soap

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  17. Hydrogenation of edible vegetable oils

  18. A.

     Is an exothermic reaction

    B.

     Increases their melting point

    C.

     Is done in presence of nickel catalyst

    D.

     All of the above

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  19. Rancidity of the fatty oil can be reduced by its

  20. A.

     Decoloration

    B.

     Hydrogenation

    C.

     Oxidation

    D.

     Purification

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