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Chemical Engineering :: Chemical Engineering Basics-2

  1. The highest stress that a material can withstand for a specified length of time without excessive deformation is called the __________ strength.

  2. A.

     Creep

    B.

     Endurance

    C.

     Fatigue

    D.

     None of these


  3. Common salt is produced from sea water in India generally by the __________ method.

  4. A.

     Freeze drying

    B.

     Solar evaporation

    C.

     Electrolytic

    D.

     None of these


  5. Work study deals with the __________ study.

  6. A.

     Time

    B.

     Motion

    C.

     Both A & B

    D.

     Neither A nor B


  7. Gage pressure within a spherical droplet of a fluid is 'p'. What will be gage pressure within a bubble of the same size & of the same fluid ?

  8. A.

     p

    B.

     2 p

    C.

     0.5 p

    D.

     0.25 p


  9. Larger length & diameter water pipes are made by

  10. A.

     Electrical resistance welding

    B.

     Die casting

    C.

     Semi-centrifugal casting

    D.

     Continuous casting


  11. Ammonia gas can be dried by

  12. A.

     PCl₅

    B.

     Quick lime

    C.

     CaCl₂

    D.

     Concentrated H₂SO₄


  13. Sudden fall of atmospheric pressure by a large amount is an indication of the

  14. A.

     Rain

    B.

     Cold wave

    C.

     Storm

    D.

     Fair weather


  15. An alloy of Fe - 0.4 % C is

  16. A.

     Cast iron

    B.

     Hypo-eutectoid steel

    C.

     Hyper-eutectoid steel

    D.

     Eutectoid steel


  17. An ideal fluid is

  18. A.

     Viscous & incompressible

    B.

     Non-viscous & compressible

    C.

     Non-viscous & incompressible

    D.

     Viscous & compressible


  19. Wave length of X-rays is about 1 angstron, however it can not pass through a sheet of

  20. A.

     Paper

    B.

     Cloth

    C.

     Lead

    D.

     Aluminium