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Chemical Engineering :: Chemical Reaction Engineering

  1. reactant and product streams). The amount of heat to be removed is

  2. A.

     2/3 kW

    B.

     1kW

    C.

     5/3 kW

    D.

     4kW

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  3. In an exothermic reaction, the energy of the reacting substances as compared to that of products is

  4. A.

     More

    B.

     Less

    C.

     Same

    D.

     Either A or B, depends on order of reaction

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  5. Reaction rate of a first order reaction, which is half completed in 23 minutes will be

  6. A.

     0.03 sec⁻¹

    B.

     0.03 min⁻¹

    C.

     0.03 hr⁻¹

    D.

     0.05 min⁻¹

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  7. The effect of increasing pressure on the gaseous equilibrium of the reaction 2X+3Y ⇋ 3X+2Y indicates that

  8. A.

     Pressure has no effect

    B.

     Backward reaction is favoured

    C.

     Forward reaction is favoured

    D.

     None of these

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  9. For the chemical reaction P → Q, it is found that the rate of reaction doubles as the concentration of 'P' is doubled. If the reaction rate is proportional to Cpn, then what is the value of 'n' for this chemical reaction

  10. A.

     1

    B.

     2

    C.

     3

    D.

     0

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  11. The percent conversion of ethanol in the reactor is

  12. A.

     100

    B.

     97.5

    C.

     95

    D.

     2.5

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  13. Fractional conversion __________ for an exothermic reversible chemical reaction, when the temperature is maximum.

  14. A.

     Increases

    B.

     Remains unchanged

    C.

     Decreases

    D.

     Unpredictable from the data

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  15. Rate constant 'k' and absolute temperature 'T' are related by collision theory (for bimolecular) as

  16. A.

     k ∝ T1.5

    B.

     k ∝ exp(-E/RT)

    C.

     k ∝ √T

    D.

     k ∝ T

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  17. The ratio of volume of mixed reactor to the volume of P.F.R. (for identical flow rate, feed composition and conversion) for zero order reaction is

  18. A.

     ∞

    B.

     0

    C.

     1

    D.

     > 1

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  19. Vegetable oils are hydrogenated in a __________ reactor.

  20. A.

     Slurry

    B.

     Plug flow

    C.

     Homogeneous catalytic

    D.

     None of these

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