Home / Chemical Engineering / Chemical Engineering Basics-2 :: Section-1

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


  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


  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


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

  8. A.

     Weight

    B.

     Number

    C.

     Volume

    D.

     Radius


  9. Specific heat of an ideal gas depends upon its

  10. A.

     Molecular weight

    B.

     Pressure

    C.

     Temperature

    D.

     Volume


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

  12. A.

     Isobaric

    B.

     Polytropic

    C.

     Isentropic

    D.

     None of these


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

  14. A.

     Malleable

    B.

     Nodular

    C.

     Ductile

    D.

     Grey


  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


  17. Gantt charts are used for streamlining the

  18. A.

     Inventory control

    B.

     Production schedule

    C.

     Sales forecasting

    D.

     Quality control


  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