Home / Chemical Engineering / Chemical Reaction Engineering :: Section 6

Chemical Engineering :: Chemical Reaction Engineering

  1. Arhenious equation shows the variation of __________ with temperature.

  2. A.
    reaction rate
    B.
    rate constant
    C.
    energy of activation
    D.
    frequency factor

    View Answer

    Workspace

    Discuss Discuss in Forum


  3. When a catalyst increases the rate of chemical reaction, the rate constant

  4. A.
    decreases
    B.
    increases
    C.
    remains constant
    D.
    becomes infinite

    View Answer

    Workspace

    Discuss Discuss in Forum


  5. In which of the following reactions, the equilibrium will shift to the right, if the total pressure is increased?

  6. A.
    H2 + Cl2 2HCl
    B.
    N2 + O2 2NO
    C.
    N2O4 2 NO2
    D.
    H2 + I2 2HI

    View Answer

    Workspace

    Discuss Discuss in Forum


  7. The catalyst in a first order chemical reaction changes the

  8. A.
    equilibrium constant
    B.
    activation energy
    C.
    heat of formation of the product
    D.
    heat of reaction

    View Answer

    Workspace

    Discuss Discuss in Forum


  9. Oil is hydrogenated using nickel catalyst in a __________ reactor.

  10. A.
    batch
    B.
    slurry
    C.
    fluidised bed
    D.
    fixed bed

    View Answer

    Workspace

    Discuss Discuss in Forum


  11. The performance equations for constant density systems are identical for

  12. A.
    P.F.R. and backmix reactor.
    B.
    P.F.R. and batch reactor.
    C.
    P.F.R, batch reactor and backmix reactor.
    D.
    batch reactor and backmix reactor.

    View Answer

    Workspace

    Discuss Discuss in Forum


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

  14. A.
    0.03 sec-1
    B.
    0.03 min-1
    C.
    0.03 hr-1
    D.
    0.05 min-1

    View Answer

    Workspace

    Discuss Discuss in Forum


  15. Which of the following is the optimum operating condition for an exothermic reversible reaction taking place in a plug-flow reactor ?

  16. A.
    Temperature should be high in the beginning and decreased towards the end of the reaction.
    B.
    Very low temperature should be used throughout the reaction.
    C.
    Very high temperature should be used throughout the reaction.
    D.
    none of these.

    View Answer

    Workspace

    Discuss Discuss in Forum


  17. The half life period 't' of a zero order reaction, , is equal to

  18. A.
    CA0/2K
    B.
    CA0/K
    C.
    0.693/K
    D.
    1/K

    View Answer

    Workspace

    Discuss Discuss in Forum


  19. The point selectivity of the product 'Y' in the reaction,

    is equal to

  20. A.
    K1/K2
    B.
    K2/K1
    C.
    K1-K2
    D.
    K2-K1

    View Answer

    Workspace

    Discuss Discuss in Forum