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

Chemical Engineering :: Chemical Engineering Basics-2

  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'

    View Answer

    Workspace

    Discuss Discuss in Forum


  3. Protection of ship hulls against sea water corrosion is done by coating with zinc because of the fact that zinc compared to iron is

  4. A.

     Reduced preferentially

    B.

     Cheaper

    C.

     Oxidised preferentially

    D.

     Lighter

    View Answer

    Workspace

    Discuss Discuss in Forum


  5. Notched bar test is used for testing the __________ of a material.

  6. A.

     Impact strength

    B.

     Endurance limit

    C.

     Machinability

    D.

     Corrosion resistance

    View Answer

    Workspace

    Discuss Discuss in Forum


  7. There are one octahedral void and __________ tetrahedral void in the closest packing of atoms.

  8. A.

     One

    B.

     Two

    C.

     Three

    D.

     None of these

    View Answer

    Workspace

    Discuss Discuss in Forum


  9. Air standard Otto cycle is more efficient than the diesel cycle for the same

  10. A.

     Heat addition & compression ratio

    B.

     Heat addition & pressure

    C.

     Compression ratio & pressure

    D.

     Cylinder dimension & rpm

    View Answer

    Workspace

    Discuss Discuss in Forum


  11. Out of the following, the dimensionless quantity is

  12. A.

     Specific weight

    B.

     Viscosity

    C.

     Mach number

    D.

     Density

    View Answer

    Workspace

    Discuss Discuss in Forum


  13. Load cells used for the measurement of weight has

  14. A.

     Compact & rugged construction with an accuracy of 0.1 to 1%

    B.

     No moving parts and incurs negligible deflection under load

    C.

     Provision of thermal compensation and is hermetically sealed

    D.

     All of the above

    View Answer

    Workspace

    Discuss Discuss in Forum


  15. __________ joint is usually used for joining cast iron pipes mostly used for temporary pipelines, where it may be necessary to dismantle & reassemble the pipeline very frequently.

  16. A.

     Collar

    B.

     Flanged

    C.

     Bell and Spigot

    D.

     Expansion

    View Answer

    Workspace

    Discuss Discuss in Forum


  17. The main function of the deaerator used in the thermal power plant is to

  18. A.

     Throttle down the steam pressure

    B.

     Enhance feed water temperature

    C.

     Remove dissolved gases from feed-water

    D.

     Remove non-condensable gases from condenser

    View Answer

    Workspace

    Discuss Discuss in Forum


  19. Austempering of steel requires.it to be heated to 875°C followed by sudden cooling to 250-525°C, thereby changing austenite to

  20. A.

     Sorbite

    B.

     Bainite

    C.

     Martensite

    D.

     Troostite

    View Answer

    Workspace

    Discuss Discuss in Forum