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  1. Machine tool bodies are usually made of

  2. A.
    cast iron
    B.
    mild steel
    C.
    wrought iron
    D.
    copper alloys

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  3. Out of the following, the best material capable of withstanding shock & vibration without the danger of cracking is

  4. A.
    malleable iron
    B.
    grey cast iron
    C.
    chilled cast iron
    D.
    white cast iron

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  5. On increasing the yield strength of a steel from 450 to 650 MPa, its __________ will increase.

  6. A.
    ultimate tensile strength (UTS)
    B.
    modulus of toughness
    C.
    percent elongation
    D.
    modulus of resilience

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  7. The refractory brick which has good thermal shock resistance at high temperature but cracks on cooling below 400°C is

  8. A.
    magnesite
    B.
    chrome
    C.
    silica
    D.
    fireclay

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  9. The path and movements followed by men, materials & equipments in executing the activities is indicated by the

  10. A.
    travel charts
    B.
    man-machine charts
    C.
    string diagram
    D.
    flow diagram

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  11. No cutting fluid is normally used, while machining

  12. A.
    cast iron
    B.
    aluminium
    C.
    mild steel
    D.
    stainless steel

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  13. An orthotropic material is a special class of anisotropic material, which is described by their properties in three perpendicular directions. An example of orthotropic material is

  14. A.
    stainless steel
    B.
    cast iron
    C.
    wood
    D.
    teflon

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  15. pH value of rain water in India ranges from

  16. A.
    5.5 to 7.5
    B.
    8 to 9.5
    C.
    3.5 to 5
    D.
    9.5 to 10.5

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  17. The capital & running costs of similar machines having unequal service life can be compared by the __________ method.

  18. A.
    equivalant annual cost
    B.
    rate of return
    C.
    present net worth
    D.
    capitalised cost

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  19. Pick the odd man out.

  20. A.
    Austempering
    B.
    Martempering
    C.
    Cyniding
    D.
    Parkerizing

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