logo

CuriousTab

CuriousTab

Discussion


Home Mechanical Engineering Workshop Technology Comments

  • Question
  • Scab is a casting defect which occurs as sand patches on the upper surface of a casting.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 


  • Workshop Technology problems


    Search Results


    • 1. Aluminium is the best material for making patterns because it is

    • Options
    • A. light in weight
    • B. easy to work
    • C. corrosion resistant
    • D. all of these
    • Discuss
    • 2. When a pattern is made in three parts, the __________ is known as a drag.

    • Options
    • A. bottom part
    • B. middle part
    • C. top part
    • Discuss
    • 3. Gagger is used for cleaning the moulding sand.

    • Options
    • A. Correct
    • B. Incorrect
    • Discuss
    • 4. A mortise gauge is a

    • Options
    • A. striking tool
    • B. planing tool
    • C. boring tool
    • D. marking tool
    • Discuss
    • 5. In a __________ , two or more operations are performed simultaneously at the single stroke of the ram.

    • Options
    • A. simple die
    • B. progressive die
    • C. combination die
    • D. compound die
    • Discuss
    • 6. In bending operation, the metal takes the shape of a punch.

    • Options
    • A. Yes
    • B. No
    • Discuss
    • 7. Carburising flame is used to weld

    • Options
    • A. steel, cast iron, copper, aluminium etc
    • B. brass and bronze
    • C. hard surfacing materials such as stellite
    • D. all of these
    • Discuss
    • 8. Lancing is the operation of

    • Options
    • A. cutting a sheet of metal in a straight line along the length
    • B. removal of metal to the desired shape from the edge of a plate
    • C. cutting a sheet of metal through part of its length and then bending the cut portion
    • D. bending a sheet of metal along a curved axis
    • Discuss
    • 9. For welding plates of thickness more than 12.5 mm, its edges

    • Options
    • A. do not require bevelling
    • B. should be bevelled to a single-V or U-groove
    • C. should have a double-V or U-groove on one side
    • D. should have a double-V or U-groove on both sides
    • Discuss
    • 10. A pouring basin acts as a reservoir for the molten metal.

    • Options
    • A. Agree
    • B. Disagree
    • Discuss


    Comments

    There are no comments.

Enter a new Comment