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Mechanical Engineering :: Production Engineering

  1. The angle between the face and flank of the single point cutting tool is known as

  2. A.
    rake angle
    B.
    clearance angle
    C.
    lip angle
    D.
    point angle

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  3. In order to obtain a surface finish in the range of 0.75 μm to 1.25 μm , the operation used is called.

  4. A.
    grinding
    B.
    lapping
    C.
    honing
    D.
    buffing

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  5. Which of the following statement is correct as regard to up milling?

  6. A.
    It can not be used on old machines due to backlash between the feed screw of the table and the nut.
    B.
    The chips are disposed off easily and do not interfere with the cutting.
    C.
    The surface milled appears to be slightly wavy.
    D.
    The coolant can be poured directly at the cutting zone where the cutting force is maximum.

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  7. In determining the various forces on the chip, Merchant assumed that the

  8. A.
    cutting edge of the tool is sharp and it does not make any flank contact with the workpiece
    B.
    only continuous chip without built-up-edge is produced
    C.
    cutting velocity remains constant
    D.
    all of the above

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  9. Stellite preserve hardness upto a temperature of

  10. A.
    350°C
    B.
    500°C
    C.
    900°C
    D.
    1100°C

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  11. Hard and tough materials like cast iron should be turned at

  12. A.
    slow speed
    B.
    high speed
    C.
    any speed
    D.
    certain specific speed

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  13. In oblique cutting system, the cutting edge of the tool

  14. A.
    may clear the width of the workpiece
    B.
    may or may not clear the width of the workpiece
    C.
    may not clear the width of the workpiece
    D.
    should always clear the width of the workpiece

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  15. When the shear angle is small

  16. A.
    path of shear is short and chip is thin
    B.
    path of shear is large and chip is thick
    C.
    path of shear is short and chip is thick
    D.
    path of shear is large and chip is thin

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  17. A fine grained grinding wheel is used to grind

  18. A.
    hard and brittle materials
    B.
    soft and ductile materials
    C.
    hard and ductile materials
    D.
    soft and brittle materials

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  19. EDM machining is applied for

  20. A.
    shaping carbide dies and punches having complicated profiles
    B.
    making large number of small holes in sieves and fuel nozzles
    C.
    embossing and engraving on harder materials
    D.
    all of these

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