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Chemical Engineering :: Chemical Engineering Basics-2

  1. Consideration of the creep is the most important in case of the

  2. A.

     Blades of gas turbine

    B.

     Piston of an I. C. engine

    C.

     Flywheel of steam engine

    D.

     Cycle chain


  3. Creep consideration is the most important in case of the

  4. A.

     Blades of gas turbines

    B.

     Steam engine flywheel

    C.

     Cast iron pipes

    D.

     Cycle chains


  5. On decreasing the grain size of a polycrys-talline material, the property most likely to deteriorate is

  6. A.

     Creep

    B.

     Toughness

    C.

     Tensile strength

    D.

     Fatigue


  7. Which of the following metals is the most prone to work hardening?

  8. A.

     Brass

    B.

     Aluminium

    C.

     Copper

    D.

     Lead


  9. __________ is not a case hardening process.

  10. A.

     Carburising

    B.

     Nitriding

    C.

     Cyaniding

    D.

     Annealing


  11. __________ is not a heat treatment process.

  12. A.

     Cyaniding

    B.

     Pakerising

    C.

     Austempering

    D.

     Martempering


  13. Nitrogen is not an essential component of

  14. A.

     Protein

    B.

     Urea

    C.

     Oils & fats

    D.

     Any of these


  15. What is the value of included angle of a triangular notch for maximum discharge ?

  16. A.

     30°

    B.

     60°

    C.

     90°

    D.

     120°


  17. Pick the odd man out of the following.

  18. A.

     Calorising

    B.

     Pack carburising

    C.

     Nitriding

    D.

     Cyaniding


  19. Wohler test is a destructive test to find out the __________ strength of a prepared metal specimen.

  20. A.

     Creep

    B.

     Fatigue

    C.

     Endurance

    D.

     Tensile