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  • Question
  • Spheroidal grey cast iron has graphite flakes.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 


  • Engineering Materials problems


    Search Results


    • 1. Grey cast iron has

    • Options
    • A. carbon in the form of free graphite
    • B. high tensile strength
    • C. low compressive strength
    • D. all of these
    • Discuss
    • 2. The steel widely used for motor car crankshafts is

    • Options
    • A. nickel steel
    • B. chrome steel
    • C. nickel-chrome steel
    • D. silicon steel
    • Discuss
    • 3. The stiffness is the ability of a material to resist

    • Options
    • A. deformation under stress
    • B. fracture due to high impact loads
    • C. externally applied forces with breakdown or yielding
    • D. none of the above
    • Discuss
    • 4. The material widely used for making pendulums of clocks is

    • Options
    • A. stainless steel
    • B. high speed steel
    • C. heat resisting steel
    • D. nickel steel
    • Discuss
    • 5. The coordination number of a face centred cubic space lattice is

    • Options
    • A. six
    • B. twelve
    • C. eighteen
    • D. twenty
    • Discuss
    • 6. Which of the following steel making process is being adopted at Rourkela Steel Plant?

    • Options
    • A. Bessemer process
    • B. Open-hearth process
    • C. Electric process
    • D. L-D process
    • Discuss
    • 7. Quenching is not necessary when hardening is done by

    • Options
    • A. case hardening
    • B. flame hardening
    • C. nitriding
    • D. any one of these
    • Discuss
    • 8. In induction hardening __________ is high.

    • Options
    • A. current
    • B. voltage
    • C. frequency
    • D. temperature
    • Discuss
    • 9. The metal suitable for bearings subjected to light loads, is

    • Options
    • A. silicon bronze
    • B. white metal
    • C. monel metal
    • D. phosphor bronze
    • Discuss
    • 10. Monel metal is an alloy of

    • Options
    • A. nickel and copper
    • B. nickel and chromium
    • C. nickel, chromium and iron
    • D. copper and chromium
    • Discuss


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