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Mechanical Engineering :: Engineering Materials

Engineering Materials - Section 1
Engineering Materials - Section 2
Engineering Materials - Section 3
Engineering Materials - Section 4
Engineering Materials - Section 5
Engineering Materials - Section 6

  1. Which of the following when used in ordinary low carbon steels, makes the metal ductile and of good bending qualities?

    2. A.
    Sulphur
    B.
    Phosphorus
    C.
    Manganese
    D.
    Silicon

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  2. The hardness of steel depends upon the

    3. A.
    amount of cementite it contains
    B.
    amount of carbon it contains
    C.
    contents of alloying elements
    D.
    method of manufacture of steel

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  3. Cartidge brass can be

    4. A.
    cold rolled into sheets
    B.
    drawn into wires
    C.
    formed into tube
    D.
    any one of these

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  4. Which of the following statement is correct?

    5. A.
    The product produced by blastfurnace is called cast iron.
    B.
    The pig iron is the name given to the product produced by cupola.
    C.
    The cast iron has high tensile strength.
    D.
    The chilled cast iron has no graphite.

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  5. Blast furnace is used to produce

    6. A.
    pig iron
    B.
    cast iron
    C.
    wrought iron
    D.
    steel

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  6. In flame hardening, oxy-acetylene flame is used.

    7. A.
    Yes
    B.
    No

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  7. Which of the following statements are true for annealing of steels?

    8. A.
    Steels are heated to 500 to 700° C
    B.
    Cooling is done slowly and steadily
    C.
    Internal stresses are relieved
    D.
    all of these

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  8. The ability of a material to undergo large permanent deformation with the application of a tensile force, is called ductility.

    9. A.
    Correct
    B.
    Incorrect

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  9. Which of the following steel making process is being adopted at Rourkela Steel Plant?

    10. A.
    Bessemer process
    B.
    Open-hearth process
    C.
    Electric process
    D.
    L-D process

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  10. 18-4-1 high speed steel contains

    11. A.
    vanadium 4%, chromium 18% and tungsten 1%
    B.
    vanadium 1%, chromium 4% and tungsten 18%
    C.
    vanadium 18%, chromium 1% and tungsten 4%
    D.
    none of the above

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