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Mechanical Engineering :: Manufacturing and Production Technology

  1. Tool signature consists of __________ elements.

  2. A.

     Two

    B.

     Four

    C.

     Five

    D.

     Seven


  3. The lead screw of a lathe has _________ threads.

  4. A.

     Single start

    B.

     Double start

    C.

     Multi-start

    D.

     Any one of these


  5. A broach has

  6. A.

     Roughing teeth

    B.

     Semi-finishing teeth

    C.

     Finishing teeth

    D.

     All of these


  7. A taper tap has

  8. A.

     Its end tapered for about three or four threads

    B.

     Its end tapered for about eight or ten threads

    C.

     Full threads for the whole of its length

    D.

     None of the above


  9. In a plain milling machine, the table can be moved

  10. A.

     Longitudinally

    B.

     Crosswise

    C.

     Vertically

    D.

     All of these


  11. The type of tool used on milling machine and broaching machine is

  12. A.

     Single point cutting tool

    B.

     Two point cutting tool

    C.

     Three point cutting tool

    D.

     Multi-point cutting tool


  13. Cast iron during machining produces

  14. A.

     Continuous chips

    B.

     Discontinuous chips

    C.

     Continuous chips with built-up edge

    D.

     None of these


  15. The cutting fluid mostly used for machining steel is

  16. A.

     Water

    B.

     Soluble oil

    C.

     Dry

    D.

     Heavy oils


  17. The ductile materials, during machining, produce

  18. A.

     Continuous chips

    B.

     Discontinuous chips

    C.

     Continuous chips with built up edge

    D.

     Either (A) or (C)


  19. The tool life is said to be over if

  20. A.

     Poor surface finish is obtained

    B.

     There is sudden increase in cutting forces and power consumption

    C.

     Overheating and fuming due to heat of friction starts

    D.

     All of the above