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  • Question
  • A taper provided on the pattern for its easy and clean withdrawl from the mould is known as


  • Options
  • A. machining allowance
  • B. draft allowance
  • C. shrinkage allowance
  • D. distortion allowance

  • Correct Answer
  • draft allowance 


  • Workshop Technology problems


    Search Results


    • 1. The draft or taper allowance on casting is generally

    • Options
    • A. 1 to 2 mm/m
    • B. 2 to 5 mm/m
    • C. 5 to 10 mm/m
    • D. 10 to 15 mm/m
    • Discuss
    • 2. Metal patterns are used for

    • Options
    • A. small castings
    • B. large castings
    • C. complicated castings
    • D. large scale production of castings
    • Discuss
    • 3. The blank diameter used in thread rolling will be

    • Options
    • A. equal to minor diameter of the thread
    • B. equal to pitch diameter of the thread
    • C. a little larger than the minor diameter of the thread
    • D. a little larger than the pitch diameter of the thread
    • Discuss
    • 4. The electrodes used in spot welding have a tip of

    • Options
    • A. stainless steel
    • B. aluminium
    • C. copper
    • D. brass
    • Discuss
    • 5. The two elements of a pair are said to form a __________ when they permit relative motion between them.

    • Options
    • A. open pair
    • B. kinematic pair
    • Discuss
    • 6. The centrifugal casting method, is used for casting articles of

    • Options
    • A. symmetrical shape about vertical axis
    • B. symmetrical shape about horizontal axis
    • C. irregular shape
    • D. non-ferrous metal only
    • Discuss
    • 7. In a bilateral system of tolerance, the tolerance is allowed on

    • Options
    • A. one side of the actual size
    • B. one side of the nominal size
    • C. both sides of the actual size
    • D. both sides of the nominal size
    • Discuss
    • 8. In a centrifugal casting method

    • Options
    • A. core is made of sand
    • B. core is made of ferrous metal
    • C. core is made of non-ferrous metal
    • D. no core is used
    • Discuss
    • 9. The temperature of oxy-hydrogen flame is __________ oxy-acetylene flame.

    • Options
    • A. same as
    • B. less than
    • C. more than
    • Discuss
    • 10. Thread rolling is restricted to

    • Options
    • A. ferrous materials
    • B. ductile materials
    • C. hard materials
    • D. none of these
    • Discuss


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