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Chemical Engineering :: Chemical Process

  1. Unsaturated oils compared to saturated oils have

  2. A.
    lower melting point & higher reactivity to oxygen.
    B.
    higher melting point & higher reactivity to oxygen.
    C.
    lower melting point & lower reactivity to oxygen.
    D.
    higher melting point & lower reactivity to oxygen.

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  3. With increase in temperature, the equilibrium constant at constant pressure (Kp) for oxidation of sulphur dioxide

  4. A.
    increases
    B.
    increases linearly
    C.
    decreases
    D.
    decreases linearly

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  5. Chemical formula of oleum is

  6. A.
    H2SO3
    B.
    H2SO4
    C.
    H2S2O7
    D.
    H2SO7

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  7. Electrodeposition of metals i.e. electroplating is never done on

  8. A.
    metals
    B.
    alloys
    C.
    refractories
    D.
    non-metals

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  9. Hollander beater used during paper pulp manufacture does not facilitate the __________ of fibre.

  10. A.
    cutting
    B.
    fibrillation
    C.
    hydration
    D.
    strengthening

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  11. The biochemical treatment applied to sewage effluents is a process of

  12. A.
    dehydration
    B.
    reduction
    C.
    oxidation
    D.
    polymerisation

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  13. Ultimate analysis of coal determines its __________ content.

  14. A.
    carbon, hydrogen, nitrogen & sulphur
    B.
    carbon, ash, sulphur & nitrogen
    C.
    carbon, sulphur, volatile matter & ash
    D.
    carbon, volatile matter, ash & moisture

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  15. A cane sugar factory having sugar production rate of 10 tons/day will produce about __________ tons/day of bagasse (after consumption by the factory for heating etc.).

  16. A.
    1
    B.
    10
    C.
    25
    D.
    40

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  17. Sucrose content in cane sugar may be around __________ percent.

  18. A.
    50
    B.
    70
    C.
    80
    D.
    95

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  19. 'Hollander beater' machine used in the paper manufacturing plant does not accomplish the task of

  20. A.
    final rolling out of paper.
    B.
    cutting of fibres.
    C.
    hydration of fibres.
    D.
    fibrillation of fibre.

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