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  • Question

  • The tolerance produced by shell moulding process of casting is


  • Options
  • A. +0.05 mm
  • B. ±0.2 mm
  • C. +0.5 mm
  • D. ±1 mm

  • Correct Answer
  • ±0.2 mm 

    • Workshop Technology problems

    Search Results

    • 1. Galvanising is a

    • Options
    • A. zinc diffusion process
    • B. process of coating zinc by hot dipping
    • C. process used for making thin phosphate coating on steel
    • D. none of the above
      • Discuss
    • 2. The cold chisels are made by

    • Options
    • A. drawing
    • B. rolling
    • C. piercing
    • D. forging
      • Discuss
    • 3. The machining allowance provided on patterns depends upon

    • Options
    • A. type of casting metal
    • B. size and shape of casting
    • C. method of casting used
    • D. all of these
      • Discuss
    • 4. In a die casting method, the molten metal is forced into mould under high pressure.

    • Options
    • A. Correct
    • B. Incorrect
      • Discuss
    • 5. Thread rolling is restricted to

    • Options
    • A. ferrous materials
    • B. ductile materials
    • C. hard materials
    • D. none of these
      • Discuss
    • 6. In average work, the tolerance produced by investment casting method is

    • Options
    • A. ±0.05 mm
    • B. +0.2 mm
    • C. +05 mm
    • D. +1 mm
      • Discuss
    • 7. A pattern maker's shrinkage rule considers

    • Options
    • A. all pattern allowances
    • B. only shrinkage allowance
    • C. all materials to be cast
    • D. all materials of the pattern
      • Discuss
    • 8. The algebraic difference between the minimum limit and the basic size is called

    • Options
    • A. actual deviation
    • B. upper deviation
    • C. lower deviation
    • D. fundamental deviation
      • Discuss
    • 9. The instrument which has all the features of try-square, bevel protractor, rule and scriber, is

    • Options
    • A. outside micrometer
    • B. inside micrometer
    • C. depth gauge micrometer
    • D. combination set
      • Discuss
    • 10. In welding copper alloys with TIG arc welding

    • Options
    • A. direct current with straight polarity is used
    • B. direct current with reversed polarity is used
    • C. alternating current is used
    • D. any one of these
      • Discuss

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