20 Tricky API 1104 Exam Questions You Can’t Afford to Miss

20 Tricky API 1104 Exam Questions You Can’t Afford to Miss

“The AWS-CWI Part C (Open Book) exam isn’t just a test of what you know—it’s a test of how fast you can find it. Navigating the API 1104 22nd Edition under the pressure of a 2-hour countdown requires more than just reading; it requires muscle memory. Our interactive flashcards are designed to bridge that gap,

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When using a source inside the pipe (SWE/SWV), what is the minimum number of IQIs required for a complete weld?
1. 1 | 2. 2 | 3. 3 | 4. 4
Click to Flip
Correct Answer: 4
Per 11.1.6 (a), a minimum of four IQIs shall be used, spaced approximately equally around the circumference. (Page 77)
According to Table 19, what is the identifying number and essential hole for a 0.750 in. thick weld?
1. 17/2T | 2. 20/2T | 3. 25/2T | 4. 30/2T
Click to Flip
Correct Answer: 2
Per Table 19, for thickness > 0.500 to 0.750 in., the ID number is 20 and the essential hole is 2T. (Page 77)
Which of the following always requires company authorization before the repair begins?
1. Porosity | 2. Slag | 3. Crack | 4. Grinding
Click to Flip
Correct Answer: 3
Per 10.2.1 (a), company authorization is specifically required for any crack repair. (Page 57)
When qualifying a WPS using two different SMYS materials, the procedure is qualified to weld joints where:
1. Both ≤ lowest | 2. One ≤ lowest, other ≤ max | 3. Both ≥ max | 4. Only same combo
Click to Flip
Correct Answer: 2
Per Table 1, 5.4.2.2 (a), at least one base material must be ≤ lowest used and the other no greater than the maximum used. (Page 20)
What is the maximum allowable dimension for any single gas pocket in a Nick Break specimen?
1. 1/32 in. | 2. 1/16 in. | 3. 1/8 in. | 4. 1/4 in.
Click to Flip
Correct Answer: 2
Per 5.6.3.3, the greatest dimension of any gas pocket shall not exceed 1/16 in. (1.6 mm). (Page 26)
If a requirement is not specifically addressed in API 1104, it should be:
1. Sound engineering judgment | 2. Auto rejected | 3. Approved | 4. Prohibited
Click to Flip
Correct Answer: 1
Clause 1, Page 1 states absence of guidance is not prohibitive if based on sound engineering judgment.
The figures in API 1104 are:
1. Drawn to scale | 2. Binding | 3. Reference only | 4. Not drawn to scale
Click to Flip
Correct Answer: 4
Clause 1, Page 1 states figures are not drawn to scale.
If a conflict exists between an undated reference and a project spec requiring an older edition, API 1104 Clause 2 requires:
1. Oldest | 2. Contact API | 3. Contractor discretion | 4. Latest edition
Click to Flip
Correct Answer: 4
Clause 2 states undated references use the latest edition unless otherwise specified contractually.
“FAC” and “FAD” are associated with:
1. Fatigue | 2. Failure assessment | 3. Force | 4. Failure analysis
Click to Flip
Correct Answer: 2
Clause 3.2 Acronyms and Abbreviations: FAC (Fatigue Acceptance Criteria) & FAD (Failure Assessment Diagram).
“FCAW-S” identifies:
1. Spray flux | 2. Shielded flux | 3. Semi-auto | 4. Self-shielded flux-cored
Click to Flip
Correct Answer: 4
Clause 3.2 Acronyms and Abbreviations: Self-shielded flux-cored arc welding.
How long must the record of a mechanized procedure qualification be maintained?
1. 3 years | 2. 5 years | 3. 10 years | 4. As long as in use
Click to Flip
Correct Answer: 4
Per 12.3, “The record shall be maintained as long as the procedure is in use.” (Page 95)
In mechanized operator qualification, what happens if weld tested by destructive and NDT fails one?
1. Pass NDT | 2. Retest | 3. Best result | 4. Rejection of weld
Click to Flip
Correct Answer: 4
Per 12.7.1, failure to meet acceptance criteria of either method shall result in rejection. (Page 107)
For mechanized weld > 12.750 in., how many specimens replace a single failed bend test?
1. 1 | 2. 2 | 3. 3 | 4. 4
Click to Flip
Correct Answer: 2
Per 12.6.3.3, one failed bend specimen should be replaced with two additional specimens. (Page 107)
For Annex A, heat input change is essential variable if it exceeds nominal range by more than:
1. ± 5% | 2. ± 10% | 3. ± 20% | 4. ± 25%
Click to Flip
Correct Answer: 2
Per Table A.1, A.3.2.10 (b), change > ± 10% is an essential variable. (Page 117)
Under what condition is a one-to-one retest permitted for a CTOD specimen?
1. Low toughness | 2. Crack front straightness | 3. High heat | 4. Breaks in HAZ
Click to Flip
Correct Answer: 2
Per A.3.4.3.4 (b), retest is allowed if fatigue crack front fails straightness requirements. (Page 122)
Option 1 procedures limited to welds with CTOD toughness equal or greater than:
1. 0.002 in | 2. 0.004 in | 3. 0.010 in | 4. 0.020 in
Click to Flip
Correct Answer: 2
Per A.5.1.2, Option 1 limited to CTOD toughness ≥ 0.004 in. (0.10 mm). (Page 123)

AWS-CWI Part-C: API 1104 (22nd Ed.) Practice Set

Official Study Material from www.cwi-exams.com
1. When using a source inside the pipe (SWE/SWV), what is the minimum number of IQIs required for a complete weld?
  • A) 1
  • B) 2
  • C) 3
  • D) 4
Correct Answer: D. Per 11.1.6 (a), a minimum of four IQIs shall be used, spaced approximately equally around the circumference. (Page 77)
2. According to Table 19, what is the identifying number and essential hole for a 0.750 in. thick weld?
  • A) 17 / 2T
  • B) 20 / 2T
  • C) 25 / 2T
  • D) 30 / 2T
Correct Answer: B. Per Table 19, for thickness > 0.500 to 0.750 in., the ID number is 20 and the essential hole is 2T. (Page 77)
3. Which of the following always requires company authorization before the repair begins?
  • A) Porosity repair
  • B) Slag repair
  • C) Crack repair
  • D) Grinding repair
Correct Answer: C. Per 10.2.1 (a), company authorization is specifically required for any crack repair. (Page 57)
4. When qualifying a WPS using two different SMYS materials, the procedure is qualified to weld joints where:
  • A) Both ≤ lowest
  • B) One ≤ lowest, other ≤ max
  • C) Both ≥ max
  • D) Only the same combo
Correct Answer: B. Per Table 1, 5.4.2.2 (a), at least one base material must be ≤ lowest used and the other no greater than the maximum used. (Page 20)
5. What is the maximum allowable dimension for any single gas pocket in a Nick Break specimen?
  • A) 1/32 in. (0.8 mm)
  • B) 1/16 in. (1.6 mm)
  • C) 1/8 in. (3 mm)
  • D) 1/4 in. (6 mm)
Correct Answer: B. Per 5.6.3.3, the greatest dimension of any gas pocket shall not exceed 1/16 in. (1.6 mm). (Page 26)
6. If a requirement is not specifically addressed in API 1104, it should be:
  • A) Addressed using sound engineering judgment
  • B) Automatically rejected
  • C) Approved without review
  • D) Considered prohibited
Correct Answer: A. Clause 1, Page 1 states absence of guidance is not prohibitive if based on sound engineering judgment.
7. The figures in API 1104 are:
  • A) Drawn to scale
  • B) Dimensionally binding
  • C) Reference only
  • D) Not drawn to scale
Correct Answer: D. Clause 1, Page 1 states figures are not drawn to scale.
8. If a conflict exists between an undated normative reference and a project specification, Clause 2 requires:
  • A) Oldest edition
  • B) Contact API for advice
  • C) Contractor discretion
  • D) Latest edition
Correct Answer: D. Clause 2 states undated references use the latest edition unless otherwise specified contractually.
9. “FAC” and “FAD” are associated with:
  • A) Fatigue acceptance criteria
  • B) Failure assessment diagram
  • C) Force absorption design
  • D) Failure analysis diagram
Correct Answer: B. Clause 3.2 Acronyms and Abbreviations: Failure Assessment Diagram.
10. “FCAW-S” identifies:
  • A) Spray flux-cored
  • B) Shielded flux arc
  • C) Semi-auto flux
  • D) Self-shielded flux-cored arc welding
Correct Answer: D. Clause 3.2 Acronyms and Abbreviations.
11. How long must the record of a mechanized procedure qualification be maintained?
  • A) 3 years
  • B) 5 years
  • C) 10 years
  • D) As long as it is in use
Correct Answer: D. Per 12.3, “The record shall be maintained as long as the procedure is in use.” (Page 95)
12. In mechanized operator qualification, what happens if the weld tested by both destructive and NDT fails one?
  • A) Pass if NDT is clear
  • B) Retest is mandatory
  • C) Use the best result
  • D) Rejection of the weld
Correct Answer: D. Per 12.7.1, failure to meet the acceptance criteria of either method shall result in rejection of the weld. (Page 107)
13. For mechanized weld > 12.750 in., how many additional specimens replace a single failed bend test?
  • A) 1
  • B) 2
  • C) 3
  • D) 4
Correct Answer: B. Per 12.6.3.3, one failed bend specimen should be replaced with two additional specimens. (Page 107)
14. For Annex A, a change in heat input is an essential variable if it exceeds range by more than:
  • A) ± 5%
  • B) ± 10%
  • C) ± 20%
  • D) ± 25%
Correct Answer: B. Per Table A.1, A.3.2.10 (b), a change of more than ± 10% is an essential variable. (Page 117)
15. Under what condition is a one-to-one retest permitted for a CTOD specimen?
  • A) Low toughness value
  • B) Crack front straightness
  • C) High heat input
  • D) Specimen breaks in HAZ
Correct Answer: B. Per A.3.4.3.4 (b), retest is allowed if fatigue crack front fails straightness requirements. (Page 122)
16. Option 1 procedures are specifically limited to welds with a CTOD toughness equal or greater than:
  • A) 0.002 in
  • B) 0.004 in
  • C) 0.010 in
  • D) 0.020 in
Correct Answer: B. Per A.5.1.2, Option 1 is limited to CTOD toughness ≥ 0.004 in. (Page 123)
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