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  • Question
  • Neutral flame is usd to weld


  • Options
  • A. steel
  • B. cast iron
  • C. copper
  • D. all of these

  • Correct Answer
  • all of these 


  • Workshop Technology problems


    Search Results


    • 1. Acetylene gas is stored in cylinders in

    • Options
    • A. solid form
    • B. gaseous form
    • C. liquid form
    • D. any one of these
    • Discuss
    • 2. The length of hacksaw blade is the distance between the outside edges of the holes which fits over the pins.

    • Options
    • A. Agree
    • B. Disagree
    • Discuss
    • 3. A file with 20 teeth in 25 mm is called

    • Options
    • A. rough file
    • B. bastard file
    • C. second cut file
    • D. smooth file
    • Discuss
    • 4. Lap joints are employed on plates having thickness

    • Options
    • A. less than 3 mm
    • B. 5 to 10 mm
    • C. 12.5 mm
    • D. above 25 mm
    • Discuss
    • 5. In electric resistance welding, pressure applied varies from

    • Options
    • A. 1 to 5 MPa
    • B. 5 to 10 MPa
    • C. 10 to 25 MPa
    • D. 25 to 55 MPa
    • Discuss
    • 6. In electric resistance welding, pressure is applied just after the completion of current.

    • Options
    • A. True
    • B. False
    • Discuss
    • 7. Scribing block is used to

    • Options
    • A. hold the round bars during marking
    • B. check the trueness of flat surfaces
    • C. locate the centres of round bars
    • D. check the surface roughness
    • Discuss
    • 8. V-block is used to

    • Options
    • A. check the trueness of flat surfaces
    • B. locate centres of round rods
    • C. check the surface roughness
    • D. none of these
    • Discuss
    • 9. In order to deliver molten metal from pouring basin to gate, a __________ is used.

    • Options
    • A. riser
    • B. sprue
    • C. core
    • Discuss
    • 10. A basic shaft is one whose

    • Options
    • A. lower deviation is zero
    • B. upper deviation is zero
    • C. lower and upper deviations are zero
    • D. none of these
    • Discuss


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