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Mechanical Engineering :: Workshop Technology

  1. In order to cut mild steel, the cutting angle of chisel should be

  2. A.
    30°
    B.
    45°
    C.
    50°
    D.
    60°

  3. The operation of straightening a curved sheet metal, is known as

  4. A.
    drawing
    B.
    squeezing
    C.
    coining
    D.
    planishing

  5. The correct sequence for preparing a billet for extrusion process is pickling, alkaline cleaning, phosphate coating and lubricating with reactive soap.

  6. A.
    Yes
    B.
    No

  7. Tandem drawing of wires and tubes is necessary because

  8. A.
    it is not possible to reduce at one stage
    B.
    annealing is needed between stages
    C.
    accuracy in dimensions is not possible otherwise
    D.
    surface finish improves after every drawing stage

  9. In a __________ , both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram.

  10. A.
    simple die
    B.
    progressive die
    C.
    combination die
    D.
    compound die

  11. Cold working requires much higher pressure that hot working.

  12. A.
    Correct
    B.
    Incorrect

  13. The operation of bending a sheet of metal along a curved axis, is known as

  14. A.
    plunging
    B.
    notching
    C.
    slitting
    D.
    forming

  15. In a __________ , two or more operations are performed simultaneously at the single stroke of the ram.

  16. A.
    simple die
    B.
    progressive die
    C.
    combination die
    D.
    compound die

  17. A rip saw

  18. A.
    is a two man saw
    B.
    is used for cutting along the grains of wood
    C.
    has a narrow blade with two wooden handles
    D.
    all of the above

  19. The welding set up is said to have reversed polarity when the work is connected to the negative terminal and the electrode holder to the positive terminal.

  20. A.
    Agree
    B.
    Disagree