National Board Authorized Inspector
Supervisor (AIS) Exam Questions And
Correct Answers (Verified Answers) Plus
Rationales 2026 Q&A | Instant
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1. What is the primary purpose of the National Board Authorized
Inspector program?
a) To supervise plant safety audits
b) To ensure the proper inspection and repair of pressure-
retaining items
c) To train boiler operators
d) To certify welding procedures
The program ensures authorized inspectors are qualified to perform
inspections, repairs, and certifications for pressure-retaining equipment.
2. Which document contains the rules for pressure vessel
construction in the United States?
a) ASME B31.3
b) ASME Boiler and Pressure Vessel Code Section VIII
c) OSHA Standard 1910
d) NB-360
Section VIII of the ASME Code sets the requirements for the construction
of pressure vessels.
, 3. How often must an AIS perform inspections on a pressure-
retaining item according to National Board requirements?
a) Every 6 months
b) As required by the owner and in compliance with codes
c) Once per year
d) Only after repairs
Inspection frequency depends on the code, owner requirements, and
condition of the equipment.
4. Which type of welding requires an AIS to verify proper procedure
qualification?
a) Spot welding
b) Shielded Metal Arc Welding (SMAW) on pressure-retaining
items
c) Brazing
d) Soldering
An AIS ensures that welding meets ASME Code requirements for
pressure-retaining equipment.
5. What is the main responsibility of an AIS during a hydrostatic test?
a) To record chemical composition
b) To observe, verify, and document test pressures and
conditions
c) To operate the pump
d) To clean the vessel after testing
AIS supervises the test to ensure it meets safety and code requirements.
6. When performing a repair, who must approve the repair
procedure?
, a) Plant manager
b) National Board or Authorized Inspector
c) Welding supervisor
d) Equipment manufacturer
Repair procedures must comply with ASME Code and be approved by an
AIS or the National Board.
7. What type of pressure-retaining items requires National Board
registration?
a) Residential water heaters
b) Pressure vessels and boilers constructed under ASME Code
c) Hydraulic systems
d) Refrigeration systems
Registration ensures traceability and compliance with safety standards.
8. Which form is commonly used to report a boiler inspection to the
National Board?
a) Form NB-360
b) Form ASME-101
c) Form R
d) Form 500
Form R documents repairs, alterations, or inspections for National Board
records.
9. What is the purpose of a design review in AIS inspections?
a) To check the painting of the vessel
b) To verify that the design meets code requirements
c) To approve operating procedures
d) To schedule maintenance
Supervisor (AIS) Exam Questions And
Correct Answers (Verified Answers) Plus
Rationales 2026 Q&A | Instant
Download Pdf
1. What is the primary purpose of the National Board Authorized
Inspector program?
a) To supervise plant safety audits
b) To ensure the proper inspection and repair of pressure-
retaining items
c) To train boiler operators
d) To certify welding procedures
The program ensures authorized inspectors are qualified to perform
inspections, repairs, and certifications for pressure-retaining equipment.
2. Which document contains the rules for pressure vessel
construction in the United States?
a) ASME B31.3
b) ASME Boiler and Pressure Vessel Code Section VIII
c) OSHA Standard 1910
d) NB-360
Section VIII of the ASME Code sets the requirements for the construction
of pressure vessels.
, 3. How often must an AIS perform inspections on a pressure-
retaining item according to National Board requirements?
a) Every 6 months
b) As required by the owner and in compliance with codes
c) Once per year
d) Only after repairs
Inspection frequency depends on the code, owner requirements, and
condition of the equipment.
4. Which type of welding requires an AIS to verify proper procedure
qualification?
a) Spot welding
b) Shielded Metal Arc Welding (SMAW) on pressure-retaining
items
c) Brazing
d) Soldering
An AIS ensures that welding meets ASME Code requirements for
pressure-retaining equipment.
5. What is the main responsibility of an AIS during a hydrostatic test?
a) To record chemical composition
b) To observe, verify, and document test pressures and
conditions
c) To operate the pump
d) To clean the vessel after testing
AIS supervises the test to ensure it meets safety and code requirements.
6. When performing a repair, who must approve the repair
procedure?
, a) Plant manager
b) National Board or Authorized Inspector
c) Welding supervisor
d) Equipment manufacturer
Repair procedures must comply with ASME Code and be approved by an
AIS or the National Board.
7. What type of pressure-retaining items requires National Board
registration?
a) Residential water heaters
b) Pressure vessels and boilers constructed under ASME Code
c) Hydraulic systems
d) Refrigeration systems
Registration ensures traceability and compliance with safety standards.
8. Which form is commonly used to report a boiler inspection to the
National Board?
a) Form NB-360
b) Form ASME-101
c) Form R
d) Form 500
Form R documents repairs, alterations, or inspections for National Board
records.
9. What is the purpose of a design review in AIS inspections?
a) To check the painting of the vessel
b) To verify that the design meets code requirements
c) To approve operating procedures
d) To schedule maintenance
