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Mechanical Engineering :: Production Engineering

  1. Up milling is also called conventional milling.

  2. A.
    Agree
    B.
    Disagree

  3. Fixtures are used

  4. A.
    for holding and guiding the tool in drilling, reaming or tapping operations
    B.
    for holding the work in milling, grinding, planing or turning operations
    C.
    to check the accuracy of workpiece
    D.
    none of the above

  5. In ultra-sonic machining, tool is made of

  6. A.
    tungsten carbide
    B.
    brass or copper
    C.
    diamond
    D.
    stainless steel

  7. Ceramic tools has greater tool life than carbide tools.

  8. A.
    True
    B.
    False

  9. The rake angle of a single point cutting tool corresponds to __________ of a twist drill.

  10. A.
    lip clearance angle
    B.
    helix angle
    C.
    point angle
    D.
    chisel edge angle

  11. A tool used to withdraw a drill from the sleeve is called

  12. A.
    drill remover
    B.
    drill puller
    C.
    drift
    D.
    drill drawer

  13. The cutting fluid mostly used for machining steel is

  14. A.
    water
    B.
    soluble oil
    C.
    dry
    D.
    heavy oils

  15. The lip angle is the angle

  16. A.
    between the tool face and the ground end surface of flank
    B.
    made by the face of the tool and the plane parallel to the base of the cutting tool
    C.
    between the face of the tool and a line tangent to the machined surface at the cutting point
    D.
    none of the above

  17. Small nose radius

  18. A.
    increases tool life
    B.
    decreases tool life
    C.
    produces chipping and decreases tool life
    D.
    results in excessive stress concentration and greater heat generation

  19. The operation of producing grooves around the periphery of a cylindrical or conical workpiece is called

  20. A.
    profile milling
    B.
    gang milling
    C.
    saw milling
    D.
    helical milling