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Mechanical Engineering :: Workshop Technology

  1. The operation of cutting a sheet of metal in a straight line along the length, is known as

  2. A.

     Plunging

    B.

     Notching

    C.

     Slitting

    D.

     Forming


  3. The metal is subjected to mechanical working for

  4. A.

     Refining grain size

    B.

     Reducing original block into desired shape

    C.

     Controlling the direction of flow lines

    D.

     All of these


  5. In die casting, machining allowance is

  6. A.

     Small

    B.

     Large

    C.

     Very large

    D.

     Not provided


  7. In a four high rolling mill, the diameter of backing up rolls is ________ the diameter of working rolls.

  8. A.

     Equal to

    B.

     Smaller than

    C.

     Larger than

    D.

     None of these


  9. The property of sand due to which the sand grains stick together is called

  10. A.

     Collapsibility

    B.

     Permeability

    C.

     Cohesiveness

    D.

     Adhesiveness


  11. In a four high rolling mill, there are four rolls out of which

  12. A.

     One is working roll and three are backing up rolls

    B.

     Two are working rolls and two are backing up rolls

    C.

     Three are working rolls and one is backing up roll

    D.

     All of the four are working rolls


  13. A two high rolling mill consists of two rolls which rotate

  14. A.

     At the same speed and in the same direction

    B.

     At the same speed but in opposite direction

    C.

     At different speeds and in the same direction

    D.

     At different speeds and in the opposite direction


  15. In ________ welding, the weld may be made either from left to right or from right to left.

  16. A.

     Forehand

    B.

     Backhand

    C.

     Vertical

    D.

     None of these


  17. The surface to be left unmachined is marked on the pattern by

  18. A.

     Red colour

    B.

     Yellow colour

    C.

     Black colour

    D.

     Blue colour


  19. The surface to be machined is marked on the pattern by

  20. A.

     Red colour

    B.

     Yellow colour

    C.

     Black colour

    D.

     Blue colour