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

Chemical Engineering :: Chemical Engineering Basics-2

  1. The factor of safety for brittle materials (having elongation < 5%) is based on the __________ stress.

  2. A.

     Yield

    B.

     Proof

    C.

     Ultimate

    D.

     None of these

    View Answer

    Workspace

    Discuss Discuss in Forum


  3. When the wavelength of incident X-rays increases, the angle of diffraction

  4. A.

     Decreases

    B.

     Increases

    C.

     Remains constant

    D.

     Shows no systematic variation

    View Answer

    Workspace

    Discuss Discuss in Forum


  5. Fibre glass is a composite material of

  6. A.

     Glass fibre in a polymer matrix

    B.

     Glass fibre in a metallic matrix

    C.

     Polymer fibre in a glassy matrix

    D.

     Both B & C

    View Answer

    Workspace

    Discuss Discuss in Forum


  7. In connection with corrosion of metals, passivation is the process that

  8. A.

     Intensifies deterioration

    B.

     Changes the composition of the metal

    C.

     Inhibits further deterioration

    D.

     None of these

    View Answer

    Workspace

    Discuss Discuss in Forum


  9. Most of the phosphorous present in the blast furnace burden enters into

  10. A.

     Hot metal

    B.

     Flue gases

    C.

     Slag

    D.

     Refractory lining

    View Answer

    Workspace

    Discuss Discuss in Forum


  11. Basicity [%Cao + %MgO/% SiO₂) of the slag in Indian blast furnace is in the range of

  12. A.

     0.7-1.0

    B.

     1.1-1.4

    C.

     1.5 - 1.8

    D.

     2.0 - 2.5

    View Answer

    Workspace

    Discuss Discuss in Forum


  13. Thermoplastics are never moulded using

  14. A.

     Injection moulding

    B.

     Blow moulding

    C.

     Extrusion

    D.

     Compression moulding

    View Answer

    Workspace

    Discuss Discuss in Forum


  15. Which of the following absorbs maximum heat in a high pressure boiler ?

  16. A.

     Economiser

    B.

     Steam superheater

    C.

     Air preheater

    D.

     Furnace water wall

    View Answer

    Workspace

    Discuss Discuss in Forum


  17. Depreciation of machines fails under the indirect expenses head. As per income tax regulations, it is calculated by the __________ method.

  18. A.

     Diminishing balance

    B.

     Sinking fund

    C.

     Multiple straight line

    D.

     Sum of the years digit

    View Answer

    Workspace

    Discuss Discuss in Forum


  19. While the bin cards are used in the effective stores management, the queing theory is associated with the __________ time.

  20. A.

     Waiting

    B.

     Idle

    C.

     Inspection

    D.

     Tool replacement

    View Answer

    Workspace

    Discuss Discuss in Forum