Multi choice question -welding inspector ,steel

5 Sample Questions

Degreasing components are essential for quality welding. When welded some agent may:

  • A. Cause corrosion problems
  • B. Leave residues
  • C. Give off toxic gases
  • D. All of the above.

Cellulose electrodes are often used for the deposition of a root pass on pipes welded in the field. This is because?

  • A. Hydrogen control is required
  • B. The high deposition rate due to the iron powder content
  • C. The hydrogen gas produced in the flux increases the arc voltage
  • D. All of the above

In the welded austenitic stainless steel .the electrode and the plate materials are often specified to be low carbon content .the reason for this is:

  • A. To prevent formation of crack in the HAZ
  • B. To prevent formation of chromium carbides
  • C. To prevent cracking in the weld
  • D. Minimize distortion

With regards to welding procedure, an essential variable may:

  • A. Change the properties of the weld
  • B. Influence the visual acceptance
  • C. Require re-approval of a weld procedure
  • D. All of the above

Which of the following NDT methods can only detect surface breaking defects?

  • A. MPI
  • B. DPI
  • C. UT
  • D. RT
  • E. Both a and b

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