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Chemical Engineering :: Chemical Engineering Basics-2

  1. Force between the molecules of the same substance is called __________ force.

  2. A.

     Adhesive

    B.

     Cohesive

    C.

     Molecular

    D.

     Vander Walls


  3. The trace metal present in insulin is

  4. A.

     Cu

    B.

     Zn

    C.

     Fe

    D.

     Ni


  5. Thermal shock produced by cooling is more dengerous/deleterious than that produced by heating a surface, because of the reason that

  6. A.

     Cooling produces tension on the surface

    B.

     Cooling produces compression on the surface

    C.

     Heating does not produces any thermal stress

    D.

     Heating produces compression on the surface


  7. Bad odour in sanitary latrines is reduced by periodically sprinkling

  8. A.

     Bleaching powder

    B.

     Lime powder

    C.

     Aluminium sulphate

    D.

     None of these


  9. Ceramic materials are

  10. A.

     Organic in nature

    B.

     Stronger in compression than in tension

    C.

     Always amorphous in nature

    D.

     Always bad heat conductors


  11. Electrostatic separation of minerals from each other is based on their differences in the following property.

  12. A.

     Densities

    B.

     Magnetic permeabilities

    C.

     Electrical conductivities

    D.

     Hardness


  13. Which of the following manufacturing processes produces the strongest components ?

  14. A.

     Forging

    B.

     Cold rolling

    C.

     Hot rolling

    D.

     Die casting


  15. Powder metallurgy processing can be used for making

  16. A.

     Dispersion strengthened copper rod

    B.

     Self lubricating bearing and cemented carbide

    C.

     Connecting rod

    D.

     Piston


  17. The leg of a barometric leg pump is longer than the Toricellian leg, which is about __________ metres.

  18. A.

     1

    B.

     5

    C.

     34

    D.

     10


  19. Which is the most lethal weapon ?

  20. A.

     Atom (fusion) bomb

    B.

     Hydrogen bomb

    C.

     Cobalt bomb

    D.

     Neutron bomb