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

Chemical Engineering :: Chemical Engineering Basics-2

  1. The product of a commercial direct reduction process is

  2. A.

     Liquid iron

    B.

     Solid iron

    C.

     Sponge iron

    D.

     Iron saturated with carbon


  3. __________ flux is used for the extraction of metal from its self fluxing ores.

  4. A.

     No

    B.

     Acid

    C.

     Basic

    D.

     Neutral


  5. Metals in general have a low value of thermal

  6. A.

     Conductivity

    B.

     Diffusivity

    C.

     Inertia

    D.

     All of the above


  7. The machanism involved in the removal of metal in drilling operation is by

  8. A.

     Compression

    B.

     Extrusion

    C.

     Shearing

    D.

     Both A & C


  9. Spheriodising of a material is a/an __________ process.

  10. A.

     Normalising

    B.

     Annealing

    C.

     Tempering

    D.

     Hardening


  11. Good design of the casing of a centrifugal pump aims at minimising the

  12. A.

     Cavitation

    B.

     Frictional losses

    C.

     Kinetic energy loss

    D.

     Static head


  13. The maximum axial compression stress during cold upsetting of a cylinderical rod of radius (r) occurs at

  14. A.

     The outer edge of the rod

    B.

     R/3 from the centre

    C.

     R/2 from the centre

    D.

     The centre


  15. Nuclear fission of one atom of uranium⁻²35 produces the energy equivalent to about __________ MeV.

  16. A.

     20

    B.

     200

    C.

     500

    D.

     1000


  17. Fahrenheit and Centigrade scales have the same readings at

  18. A.

     -55°

    B.

     -40°

    C.

     -33°

    D.

     -58°


  19. A solution which resists change in its pH value on addition of acid/alkali is called the __________ solution.

  20. A.

     Neutral

    B.

     Ideal

    C.

     Buffer

    D.

     Zero pH