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Chemical Engineering :: Chemical Engineering Basics-2

  1. Pick out the wrong statement.

  2. A.

     Partnership is suitable for medium size business

    B.

     A certain minimum of subscription of capital is required for legally starting a business in a Public Limited Joint Stock Company

    C.

     Public Limited Joint Stock Company is legally bound to issue prospectus after registration

    D.

     A small scale industry is the one, which has a minimum capital investment of Rs. 50 lakhs and maximum 100 lakhs


  3. Metal cutting by oxy-acetylene flame is accomplished by the __________ of the metal.

  4. A.

     Burning

    B.

     Intensive oxidation

    C.

     Evaporation

    D.

     None of these


  5. Out of the following, the highest emf for a given temperature is generated by the __________ thermocouple.

  6. A.

     Chromel - alumel

    B.

     Iron - constantan

    C.

     Platinum - platinum + rhodium

    D.

     Copper-constantan


  7. __________ property of a material is determined by the Herbert Pendulum device.

  8. A.

     Hardness

    B.

     Tensile

    C.

     Toughness

    D.

     Compressive


  9. For preparation of porous bearings by powder metallurgy, preferred particle shape is

  10. A.

     Spherical

    B.

     Nodular

    C.

     Irregular

    D.

     No preferred shape


  11. While the thermosetting polymers are amorphous in nature, the thermoplastic polymers are either amorphous or crystalline. The crystalline polymers are characterised by the

  12. A.

     Low impact strength

    B.

     High flexibility

    C.

     Better finish and surface appearance

    D.

     High plastic deformation


  13. Enzymes belong to the category of

  14. A.

     Proteins

    B.

     Carbohydrates

    C.

     Vitamins

    D.

     Fats


  15. Dryness fraction of dry steam is

  16. A.

     0

    B.

     ?

    C.

     1

    D.

     0.5


  17. At room temperature, F.C.C. crystal structure is observed in

  18. A.

     Lead

    B.

     Cupro-nickel

    C.

     Titanium

    D.

     Tungsten


  19. Pick out the wrong statement:

  20. A.

     Soft water is more corrosive than that carrying calcium salts

    B.

     The corrosion of brass condenser tubes handling brine solution is also termed as 'dezincification'

    C.

     Non-annealed brass is highly susceptible to season cracking (i.e., inter-crystal corrosion due to internal stresses)

    D.

     Pure copper is highly susceptible to stress corrosion