API 578 Exam Questions with
Complete Solutions
1- API 578 provides guidelines for a quality assurance system to verify: - ANSWERS-B. all alloy
materials
2- Usually substituting an alloy for carbon steel would not cause a problem. List 3 process
services where substituting an alloy for carbon steel could result in a problem - ANSWERS-A.
hydrogen sulfide (H25)
B. Hydrogen acid (HF)
C. Sulfuric acid (H2504)
3- An alloy material is any metallic material that contains alloying elements that are added: -
ANSWERS-C. to improve either mechanical properties or improve corrosion resistance
4- Alloy components include, pipe, fittings, plate, flanges and: - ANSWERS-Welds
An inspection includes: - ANSWERS-D. all materials of the same material type from the same
supplier and heat
6- A documented material verification program should be established by the: - ANSWERS-B.
Owner/ user
7- The material verification program should cover PMI testing of materials: - ANSWERS-D. in
existing piping systems and during construction, repairs and alterations of piping systems
8- Random sampling is most appropriate for: - ANSWERS-A. low-risk systems
Complete Solutions
1- API 578 provides guidelines for a quality assurance system to verify: - ANSWERS-B. all alloy
materials
2- Usually substituting an alloy for carbon steel would not cause a problem. List 3 process
services where substituting an alloy for carbon steel could result in a problem - ANSWERS-A.
hydrogen sulfide (H25)
B. Hydrogen acid (HF)
C. Sulfuric acid (H2504)
3- An alloy material is any metallic material that contains alloying elements that are added: -
ANSWERS-C. to improve either mechanical properties or improve corrosion resistance
4- Alloy components include, pipe, fittings, plate, flanges and: - ANSWERS-Welds
An inspection includes: - ANSWERS-D. all materials of the same material type from the same
supplier and heat
6- A documented material verification program should be established by the: - ANSWERS-B.
Owner/ user
7- The material verification program should cover PMI testing of materials: - ANSWERS-D. in
existing piping systems and during construction, repairs and alterations of piping systems
8- Random sampling is most appropriate for: - ANSWERS-A. low-risk systems
