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Chemical Engineering :: Chemical Process

  1. __________ acid is an unsaturated fatty acid.

  2. A.
    Palmitic
    B.
    Oleic
    C.
    Stearic
    D.
    Oxalic

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  3. CO & H2 are the constituents of

  4. A.
    producer gas
    B.
    water gas
    C.
    coke oven gas
    D.
    all (a), (b) and (c)

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  5. Economics of 'Solvay Process' depends upon the efficiency of

  6. A.
    carbonating tower
    B.
    ammonia recovery
    C.
    ammonia recovery and size of the plant
    D.
    ammoniation of salt solution

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  7. __________ is a thermosetting plastic.

  8. A.
    Polyvinyl chloride
    B.
    Polythene
    C.
    Bakelite
    D.
    Teflon

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  9. Na2CO3 is called

  10. A.
    washing soda
    B.
    soda ash
    C.
    plaster of paris
    D.
    calcite

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  11. Flux addition during smelting of ore is done to

  12. A.
    remove impurities/gangue.
    B.
    enhance rate of reaction.
    C.
    accelerate reduction of ore.
    D.
    separate slag from metal.

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  13. Hydrazine is used in water treatment for the removal of

  14. A.
    colloidal impurities
    B.
    dissolved oxygen
    C.
    turbidity
    D.
    chlorinous taste

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  15. Direct conversion of chemical energy into electrical energy is done in a

  16. A.
    magnetohydrodynamic (MHD) generator.
    B.
    fuel cell.
    C.
    fast breeder reactor.
    D.
    none of these.

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  17. Which of the following is not produced commercially from sea water ?

  18. A.
    Magnesium & potassium compounds
    B.
    Common salt
    C.
    Bromine
    D.
    Iodine

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  19. Pick out the wrong statement.

  20. A.
    Dry process is used for the manufacture of cement, when the raw material is blast furnace slag.
    B.
    Portland cement is made employing wet process.
    C.
    Gypsum is added to portland cement to lengthen its setting time.
    D.
    none of these.

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