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CWI Part B practice: gauge readings and replica calls

Read the gauge or the replica, pick the answer and see the reasoning step by step.

Part B is the hands-on part of the CWI exam: you measure weld replicas with a kit of gauges, look up the criteria and make the call. These free tasks rehearse that loop on original drawings, from a Hi-Lo gauge on a pipe joint to a plan-view replica with lettered marks. Our CWI Part B exam guide covers the kit and the exam format, and the weld gauge trainer drills the fillet gauge and V-WAC readings on generated cases.

Learning aid only. The drawings are schematic, not copies of any gauge maker's artwork or any exam exhibit. PS-1 values are made up for practice; on real work the governing code, the drawing and your procedure set the criteria.

Free sample · 6 tasks

Gauge readings, replica calls and PS-1 decisions

Each task is an original drawing: read the gauge or the replica, then pick the answer. Tasks that cite PS-1 use our own invented practice specification, whose values are made up for practice and are not from any code. Inch units.

0 of 6 answered · 0 correct

Task 1 of 6

Hi-Lo internal misalignment

Inside of pipeSCALE, MAGNIFIED01/81/43/81/2

The figure shows a Hi-Lo gauge with a 1/16 in scale on a pipe joint at fit-up. What internal misalignment does it read?

Your answer

Original drawings and tasks written for practice, not exam items. Acceptance calls use PS-1, our own invented practice specification, whose values are not from any code.

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Question 1 of the free 10-question check on CWI Part B. No signup. Then ask Tack, the AI study buddy, why the answer is right and the others are wrong.

Question 1 of 10 · free checkUntimed

Welding Inspection and Discontinuities

A convex fillet weld replica is checked with a leaf-type fillet gauge. The drawing calls for a single fillet size. The vertical leg fits the 3/8 in blade and the horizontal leg the 5/16 in blade. What size is recorded?

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Preparing for CWI Part B?

You just read gauges and called replicas the way Part B asks. The free 10-question check scores you by topic in minutes, no signup. The CWI course drills your weak spots and explains every answer.

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The CWI Part B course

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The CWI Part B course

  • 7modules of lessonsEvery task on the outline
  • 3full-length timed exams46 questions in 120 minutes each
  • 338practice questionsEach one explained
  • 2worked calculationsStep by step
  • 21specification drillsFind it fast in the Book of Specifications
  • 1week-by-week study planSet to your exam date

Turn a practice answer into a study step. In untimed practice, ask Tack AI about any question you answer, follow up, then see your weakest topics and what to drill next.

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Every answer comes with a full explanation.

By the Fillet Gauge editorial team. Report an error with the task number.

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