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Chemical Engineering :: Chemical Engineering Basics-2

  1. Chlorine acts as a bleaching agent only in the presence of

  2. A.

     Dry air

    B.

     Pure oxygen

    C.

     Moisture

    D.

     Sunlight

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  3. During sensible cooling of air, its wet bulb temperature

  4. A.

     Decreases but dew point remains constant

    B.

     Increases but dew point remains constant

    C.

     Increases & the dew point decreases

    D.

     Decreases & the dew point increases

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  5. The best criterion for analysing an economic investment is the

  6. A.

     Rate of return criterion

    B.

     Present value method

    C.

     Salvage value

    D.

     Future value method

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  7. Atomic __________ of an element is a whole number.

  8. A.

     Weight

    B.

     Number

    C.

     Volume

    D.

     Radius

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  9. Specific heat of an ideal gas depends upon its

  10. A.

     Molecular weight

    B.

     Pressure

    C.

     Temperature

    D.

     Volume

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  11. Rankine cycle comprises of two isothermal and two __________ processes.

  12. A.

     Isobaric

    B.

     Polytropic

    C.

     Isentropic

    D.

     None of these

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  13. __________ iron is produced by the annealing of white cast iron.

  14. A.

     Malleable

    B.

     Nodular

    C.

     Ductile

    D.

     Grey

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  15. Brinell Hardness Number (BHN) for talc is approximately in the range of

  16. A.

     1-5

    B.

     20-30

    C.

     100-150

    D.

     200-250

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  17. Gantt charts are used for streamlining the

  18. A.

     Inventory control

    B.

     Production schedule

    C.

     Sales forecasting

    D.

     Quality control

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  19. Materials having __________ lattice structure are usually the most ductile.

  20. A.

     Body centred cubic (bcc)

    B.

     Hexagonal close packed (hcp)

    C.

     Face centred cubic (fcc)

    D.

     None of these

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