CSWIP 3.1 Multiple Choice Paper 12

Answers don’t show in the following questions; we separated to another link. You should spend your time and focus to read, answer the questions correctly, then it is the time to review your results.

Note 1. Don’t remember the questions and answers.
Note 2. Should be used exclusion principle to choose the best answer.

Rolling down the end page to get the answer link :arrow_double_down:

  1. Stress can be measured in:
  • N/mm²
  • PSI
  • mm
  • Both a and b
  1. What is a crater pipe?
  • An oval tube
  • Another term for burn through
  • A type of porosity
  • A shrinkage defect
  1. Which standard for welding term and symbols?
  • ISO 15614
  • ISO 5817
  • ISO 2553
  • ISO 2253
  1. How could you accurately measure the root radius of a charpy or Izod specimen?
  • With a machine called shadowgraph
  • With a rule
  • With a vernier caliper
  • With a densitometry
  1. Herringbone porosity is:
  • A particular pattern of porosity
  • Made up of wormholes
  • Made up of piping
  • All the above are correct
  • None of the above
  1. A crack is a weld zone:
  • Is repairable
  • Always results in s cut – out and complete reweld
  • Is acceptable up to 2mm in length
  • May be repaired or cut – out depending on specification requirements.
  1. If the amperage were too low during the welding of a root bead the possible result would be:
  • Lack of penetration
  • Lack of fusion
  • The freezing of the electrode
  • All of the above
  1. Stress acting in the opposite direction of compressive stress is known as:
  • Residual stress
  • Shear stress
  • Hoop stress
  • Tensile stress
  1. Distortion may be affected by:
  • Restraint
  • Heat – input
  • Material properties
  • Material thickness
  • All of the above
  1. Distortion:
  • Is plastic deformation
  • Is elastic deformation
  • Is another term for stress
  • May be elastic or plastic deformation
  • All of the above

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Pls, check again Q1. Stress can be measured in N/mm2 & PSI

thanks @mr.lebienthuy.
You are right, I will correct my answer at https://weldinginspections.net/t/cswip-questions-and-answers/1445

A particular pattern of porosity- suppose this the answer. it pattern of porosity