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Certified Welding Inspector (Parts A, B, C) practice test

394 free practice questions for this exam, each with the reason for the answer and where to look it up.

Welding symbols and blueprints: practice test

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About the exam

ExamCertified Welding Inspector (Parts A, B, C)
Who runs itAWS
WhereUnited States

Question count, time limit and pass mark differ by where you take it. Check the official candidate bulletin from the organisation that runs your exam.

Sample questions

The arrow of a welding symbol touches the left face of the stem of a T-joint. A fillet weld symbol is drawn above the reference line. Where does the fillet weld go?

  1. On the right side of the stem
  2. On the left side of the stem
  3. On both sides of the stem
  4. Across the top end of the stem
Show the answer

A. On the right side of the stem

Above the reference line means other side. The arrow touches the left face, so the weld goes on the opposite, right-hand side of the stem. Welding where the arrow touches would be correct only if the symbol were below the line.

Reference: AWS A2.4, Standard Symbols for Welding, Brazing, and Nondestructive Examination: location significance of the arrow

A fillet welding symbol shows 1/4 to the left of the weld symbol and a single number, 6, to the right (inch units). What is required?

  1. One 1/4 in. fillet weld that is 6 in. long
  2. Six 1/4 in. fillet welds along the joint
  3. 1/4 in. fillet welds spaced 6 in. apart
  4. A 6 in. fillet weld made in 1/4 in. long steps
Show the answer

A. One 1/4 in. fillet weld that is 6 in. long

A single number to the right of the weld symbol is the weld length. A count of welds is never shown this way, and spacing (pitch) would appear as a second number after a hyphen.

Reference: AWS A2.4, Standard Symbols for Welding, Brazing, and Nondestructive Examination: length of fillet welds

What does a cutting-plane line with arrowheads at its ends tell the reader?

  1. Where the part is to be flame cut and in which direction
  2. Where a section is taken and the direction it is viewed from
  3. Where two parts meet and which is welded first
  4. Where a dimension starts and where it ends
Show the answer

B. Where a section is taken and the direction it is viewed from

A cutting-plane line shows the imaginary cut used to create a section view, and its arrows point in the viewing direction. It is a drafting convention, not a cutting instruction for the shop.

Reference: ASME Y14.2, Line Conventions and Lettering: cutting-plane lines; ASME Y14.3, Orthographic and Pictorial Views: section views

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