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  • Question

  • In blanking operation, the clearance is provided on


  • Options
  • A. punch
  • B. die
  • C. half on the punch and half on the die
  • D. either on punch or die depending upon designer's choice

  • Correct Answer
  • punch 

    • Workshop Technology problems

    Search Results

    • 1. The temperature produced by oxy-hydrogen flame is about

    • Options
    • A. 1800° C
    • B. 2100° C
    • C. 2400° C
    • D. 3200° C
      • Discuss
    • 2. The surface to be left unmachined is marked on the pattern by

    • Options
    • A. red colour
    • B. yellow colour
    • C. black colour
    • D. blue colour
      • Discuss
    • 3. In order to ram the sand harder at the back of the mould and softer on the pattern face, a __________ is used.

    • Options
    • A. sand slinger
    • B. squeezing machine
    • C. jolt machine
    • D. stripper plate machine
      • Discuss
    • 4. The temperature of the inner luminous cone of neutral flame is about

    • Options
    • A. 1000° C
    • B. 1250° C
    • C. 2100° C
    • D. 3200° C
      • Discuss
    • 5. The oxidising flame is similar to neutral flame but the inner cone is less luminous and shorter.

    • Options
    • A. Yes
    • B. No
      • Discuss
    • 6. The operation of giving impressions of figures, letters or designs on sheet metal parts, is known as embossing.

    • Options
    • A. Correct
    • B. Incorrect
      • Discuss
    • 7. In arc welding, the temperature of heat produced by the electric arc is of the order of

    • Options
    • A. 3000° C to 4000° C
    • B. 4000° C to 5000° C
    • C. 5000° C to 6000° C
    • D. 6000° C to 7000° C
      • Discuss
    • 8. A hacksaw blade is specified by its

    • Options
    • A. length
    • B. material
    • C. width
    • D. number of teeth
      • Discuss
    • 9. A casting defect which occurs due to improper venting of sand is known as

    • Options
    • A. cold shuts
    • B. blow holes
    • C. shift
    • D. swell
      • Discuss
    • 10. When the dimension is expressed as , then the basic size is

    • Options
    • A. 20 mm
    • B. 20.035 mm
    • C. 20.025 mm
    • D. 19.975 mm
      • Discuss

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