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Chemical Engineering :: Chemical Engineering Basics-2

  1. Pick out the wrong conversion of absolute & kinematic viscosities.

  2. A.

     1 stoke = 1 cm²/sec

    B.

     1 N.sec/m² = 10 paise

    C.

     1 stoke = 1 m²/sec

    D.

     1 m²/sec = 10⁴ stokes


  3. Which of the following metals is not subjected to electrolytic refinning/purification?

  4. A.

     Copper

    B.

     Zinc

    C.

     Tin

    D.

     Aluminium


  5. All the atoms of the world comprise of electrons, proton & neutron except that of __________ atom in which neutron is absent.

  6. A.

     Deuterium

    B.

     Hydrogen

    C.

     Neon

    D.

     Helium


  7. An abrupt and sudden fall in the readinp of barometer is an indication of the

  8. A.

     Storm

    B.

     Rain

    C.

     Clear weather

    D.

     Cold wave


  9. The reductant used in the extraction of magnesium from calcined dolomite via Pidgeon's process is

  10. A.

     Pure carbon

    B.

     Pure silicon

    C.

     Ferro silicon

    D.

     Ferro manganese


  11. __________ is used as a material of construction for the blade of power saw.

  12. A.

     Wrought iron

    B.

     Stainless steel

    C.

     Mild steel

    D.

     High speed steel


  13. The most important consideration in value engineering is the

  14. A.

     Profit maximisation

    B.

     Customer satisfaction

    C.

     Cost reduction

    D.

     Process improvement


  15. The most important consideration in value engineering is the

  16. A.

     Profit maximisation

    B.

     Customer satisfaction

    C.

     Cost reduction

    D.

     Process improvement


  17. Electrometallurgy is not involved in the extraction of __________ from its ore.

  18. A.

     Aluminium

    B.

     Tin

    C.

     Lead

    D.

     Both B & C


  19. Which of the following alloying elements reduces the formation of iron sulphide in steel?

  20. A.

     Cobalt

    B.

     Nickel

    C.

     Manganese

    D.

     Vanadium