CSWIP 3.1 Paper Three Questions And Answers

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Here you can take a free CSWIP 3.1 practice test with the latest Paper Three Questions and Answers (Multiple Choice).

1.

Stray arcing may be regarded as a serious defect because:

 
 
 
 

2.

The macroscopic examination requires any specimen to be inspected:

 
 
 
 

3.

The main cause of porosity in welded joints is:

 
 
 
 

4.

A welding procedure is useful to:

 
 
 
 

5.

Which of the following may be classed as a more serious defect:

 
 
 
 

6.

An essential variable may:

 
 
 
 

7.

Overlap in welds could be influenced by:

 
 
 
 

8.

A magnifying glass may be used during the visual inspection, but BS 5289 states that its magnification should be:

 
 
 
 

9.

Flame cut preparations may, during welding, increase the likelihood of:

 
 
 
 

10.

When visually inspecting a fillet weld it would normally be sized by:

 
 
 
 

11.

With reference to a root penetration bead, you would certainly assess:

 
 
 
 

12.

Slag inclusions would occur with:

 
 
 
 

13.

Penetrant inspection and magnetic particle inspection are mainly used:

 
 
 
 

14.

In a fatigue failure the appearance of the fracture surface is characteristic. It would be:

 
 
 
 

15.

Toe blending is important as it may affect:

 
 
 
 

16.

MIG welding tends to be susceptible to a lack of fusion problems. This is because of:

 
 
 
 

17.

Incomplete root penetration in a butt joint could be caused by:

 
 
 
 

18.

MMA electrodes can be grouped into three main types. These are:

 
 
 
 

19.

When visually inspecting a completed single vee butt weld cap, you would certainly assess:

 
 
 
 

20.

Cracks in welds may be due to:

 
 
 
 

21.

A planar defect is:

 
 
 
 

22.

Undercut is principally caused by:

 
 
 
 

23.

The British code for visual inspection requirements is:

 
 
 
 

24.

Defects outside the limits specified in a standard should always be:

 
 
 
 

25.

A code of practice is:

 
 
 
 

26.

A code of practice for visual inspection should include the following:

 
 
 
 

27.

Incomplete root fusion would certainly be caused by:

 
 
 
 

28.

A weaving technique may give rise to:

 
 
 
 

29.

You notice a very ‘veed’ ripple shape. This is most likely caused by:

 
 
 
 

30.

Undercut is normally assessed by:

 
 
 
 

Question 1 of 30

Prepare for CSWIP 3.1 Paper 3 with our latest top 30 questions and answers. Practice free and boost your welding inspection exam confidence today! Preparing for the CSWIP 3.1 Welding Inspector Exam (Paper 3) can feel overwhelming — especially when it comes to interpreting practical inspection data and applying theoretical concepts.
To help you pass confidently, we’ve compiled the Top 30 most important Paper 3 Questions and Answers based on the latest CSWIP 3.1 syllabus and exam trends.

What is CSWIP 3.1 Paper 3 About?

Paper 3 tests your practical application and visual inspection skills.
It includes:

  • Identification of weld defects

  • Interpretation of WPS, WPQR, and welder qualification records

  • Visual inspection report preparation

  • Understanding acceptance criteria based on ISO 5817 and AWS D1.1 standards

This paper focuses on real-world welding inspection — where your ability to apply knowledge matters more than memorization.

Top 30 CSWIP 3.1 Paper 3 Questions and Answers (Free Practice)

Below is a sample of what you’ll find in our free test:

Q1. What is the main purpose of a Visual Inspection Report (VIR)?
Answer: To document weld acceptance or rejection based on specified quality standards.

Q2. Name three common surface defects found in butt welds.
Answer: Undercut, overlap, and porosity.

Q3. If excessive convexity is found on a fillet weld, what action should be taken?
Answer: Record the defect and verify against acceptance limits in ISO 5817 or AWS D1.1.

(Continue up to Q30 — encourage visitors to take the full test)

Click here to attempt the full CSWIP 3.1 Paper 3 Practice Test – Free

Exam Preparation Tips

  • Study all three papers (1, 2, and 3) together — they are connected.

  • Review visual samples of defects (cracks, porosity, undercut, etc.).

  • Understand how to use magnifying glass, weld gauges, and inspection mirrors.

  • Practice report writing and interpreting WPS/WPQR.

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