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Chemical Engineering :: Chemical Engineering Basics

  1. Pick out the wrong statement.

  2. A.
    Copper is the metal having the highest electronic conductivity.
    B.
    Hardenability & weldability of metals are inversely related.
    C.
    Covalant bonding formed by sharing of electrons is present in all semi-conductor materials.
    D.
    Glass transition temperature applies to 'polymers' but not to 'glasses'.

  3. Increasing sulphur content in pig iron tends to make it

  4. A.
    soft
    B.
    hard
    C.
    tough
    D.
    ductile & malleable

  5. Oxyacetylene reducing flame is used while carrying out welding on

  6. A.
    alloy steel
    B.
    grey cast iron
    C.
    mild steel
    D.
    high carbon steel

  7. M10 index of coke indicates its

  8. A.
    compressive strength.
    B.
    hardness.
    C.
    abrasion resistance.
    D.
    impact strength.

  9. Gantt charts are used for streamlining the

  10. A.
    inventory control
    B.
    production schedule
    C.
    sales forecasting
    D.
    quality control

  11. In the Bayer's process, bauxite is digested under pressure using

  12. A.
    H2SO4
    B.
    NaOH
    C.
    NH3
    D.
    HCl

  13. Circular cross section machine parts which are symmetrical about the axis of rotation are made by hot

  14. A.
    piercing
    B.
    spinning
    C.
    drawing
    D.
    extrusion

  15. The substance used as a smoke screen in warfare is

  16. A.
    C2H2
    B.
    SiCl4
    C.
    P2O5
    D.
    PCl5

  17. The same volume of all gases is representative of their

  18. A.
    specific gravities.
    B.
    densities.
    C.
    gas characteristic constants.
    D.
    molecular weights.