3A2 ABSA STUDY SET EXAM
QUESTIONS AND ANSWERS (VERIFIED
AND UPDATED)
ASME - ANS Acronym for the American Society of Mechanical Engineers.
NBBI - ANS Acronym for The National Board of Boiler and Pressure Vessel Inspectors.
ABSA - ANS Alberta Boilers Safety Association responsible for the administration of legislation
for boilers and pressure vessels.
Kilowatt rating of the power plant - ANS Designates the classification of the certificate of
competency required for the role of chief power engineer.
Chief Power Engineer - ANS Responsible for supervision of the other power engineers and
the safe, and efficient, operation of the plant.
Engineers regulations - ANS State the minimum qualifications necessary to obtain each class
of power engineer certification.
CSA B51 - ANS Standard that regulates Boiler, Pressure Vessel, and Pressure Piping Code.
@2026/2027 ALLRIGHTS RESERVED.
,CSA B52 - ANS Standard that regulates Mechanical Refrigeration Code.
ASME Section I - ANS Code that regulates the rules for Construction of Power Boilers.
ASME Section VII - ANS Code that regulates the recommended guidelines for the care of
Power Boilers.
B31.3 - ANS Code that regulates Chemical Plant and Petroleum Refinery Piping.
National Board of Boiler and Pressure Vessel Inspectors (NBBI) - ANS Main focus is to
establish uniform qualifications for inspectors and acceptance of standard code requirements.
Inspection Requirement - ANS All Canadian provinces and most of the states in the United
States require boilers and pressure vessels to be inspected during fabrication by an inspector
holding a National Board commission.
Registration Requirement - ANS Qualified and authorized boiler and pressure vessel
manufacturers need not be registered with the National Board.
B-51 code - ANS Contains information that must appear on the nameplates of every boiler,
pressure vessel, safety valve, relief valve and rupture disc.
Pressure Vessel Installation - ANS Identifies pressure vessels and their installation, including
pressure vessel inspection openings.
@2026/2027 ALLRIGHTS RESERVED.
,Piping and Fittings Standards - ANS Lists the codes and standards that must be used,
including ANSI/ASME standards B31.1 and B31.3.
Refrigeration Equipment Standards - ANS Refers to CSA B52 for the standard to be met in the
design, construction, installation, inspection, testing, and repair of refrigeration equipment.
Boiler Installation Standards - ANS Identifies the standards used in the design, construction,
installation, inspection, testing, and repair of boilers.
Cushion tanks - ANS A type of pressure vessel designed to absorb pressure fluctuations.
Blowoff vessels - ANS Pressure vessels used to discharge steam or water from a system.
Air receivers - ANS Pressure vessels that store compressed air.
Repairs and alterations section of the B-51 - ANS Outlines the standards for replacing existing
pieces of pressure equipment.
Tables section of the B-51 code - ANS Contains categories of fittings, minimum dimensions of
blowoff vessels, and steam and refrigeration tables.
CSA B-52 code - ANS Defines terms and equipment relating to refrigeration and air
conditioning equipment.
Pressure relief and rupture devices - ANS Devices covered in the B-52 code that ensure safety
in pressure systems.
@2026/2027 ALLRIGHTS RESERVED.
, Minimum required wall thickness of a superheater tube - ANS Calculated based on the tube's
outer diameter, working pressure, and temperature.
Maximum allowable working pressure for a watertube boiler tube - ANS Determined by the
tube's outer diameter, minimum wall thickness, and material properties.
SA-213-T11 - ANS Specification for alloy steel used in high-temperature applications.
SA-192 - ANS Specification for carbon steel used in boiler tubes.
Boiler tube - ANS A tube used in boilers to transfer heat and contain steam or water.
Welded boiler drum - ANS A cylindrical component of a boiler that contains water and steam.
Inside radius of a welded boiler drum - ANS The internal radius of the drum, used in thickness
calculations.
Maximum design working pressure - ANS The highest pressure that a vessel is designed to
withstand.
Metal temperature - ANS The temperature of the material used in pressure vessels during
operation.
Weld reinforcement - ANS Material added to a weld joint to enhance strength, which may be
removed for smoothness.
@2026/2027 ALLRIGHTS RESERVED.
QUESTIONS AND ANSWERS (VERIFIED
AND UPDATED)
ASME - ANS Acronym for the American Society of Mechanical Engineers.
NBBI - ANS Acronym for The National Board of Boiler and Pressure Vessel Inspectors.
ABSA - ANS Alberta Boilers Safety Association responsible for the administration of legislation
for boilers and pressure vessels.
Kilowatt rating of the power plant - ANS Designates the classification of the certificate of
competency required for the role of chief power engineer.
Chief Power Engineer - ANS Responsible for supervision of the other power engineers and
the safe, and efficient, operation of the plant.
Engineers regulations - ANS State the minimum qualifications necessary to obtain each class
of power engineer certification.
CSA B51 - ANS Standard that regulates Boiler, Pressure Vessel, and Pressure Piping Code.
@2026/2027 ALLRIGHTS RESERVED.
,CSA B52 - ANS Standard that regulates Mechanical Refrigeration Code.
ASME Section I - ANS Code that regulates the rules for Construction of Power Boilers.
ASME Section VII - ANS Code that regulates the recommended guidelines for the care of
Power Boilers.
B31.3 - ANS Code that regulates Chemical Plant and Petroleum Refinery Piping.
National Board of Boiler and Pressure Vessel Inspectors (NBBI) - ANS Main focus is to
establish uniform qualifications for inspectors and acceptance of standard code requirements.
Inspection Requirement - ANS All Canadian provinces and most of the states in the United
States require boilers and pressure vessels to be inspected during fabrication by an inspector
holding a National Board commission.
Registration Requirement - ANS Qualified and authorized boiler and pressure vessel
manufacturers need not be registered with the National Board.
B-51 code - ANS Contains information that must appear on the nameplates of every boiler,
pressure vessel, safety valve, relief valve and rupture disc.
Pressure Vessel Installation - ANS Identifies pressure vessels and their installation, including
pressure vessel inspection openings.
@2026/2027 ALLRIGHTS RESERVED.
,Piping and Fittings Standards - ANS Lists the codes and standards that must be used,
including ANSI/ASME standards B31.1 and B31.3.
Refrigeration Equipment Standards - ANS Refers to CSA B52 for the standard to be met in the
design, construction, installation, inspection, testing, and repair of refrigeration equipment.
Boiler Installation Standards - ANS Identifies the standards used in the design, construction,
installation, inspection, testing, and repair of boilers.
Cushion tanks - ANS A type of pressure vessel designed to absorb pressure fluctuations.
Blowoff vessels - ANS Pressure vessels used to discharge steam or water from a system.
Air receivers - ANS Pressure vessels that store compressed air.
Repairs and alterations section of the B-51 - ANS Outlines the standards for replacing existing
pieces of pressure equipment.
Tables section of the B-51 code - ANS Contains categories of fittings, minimum dimensions of
blowoff vessels, and steam and refrigeration tables.
CSA B-52 code - ANS Defines terms and equipment relating to refrigeration and air
conditioning equipment.
Pressure relief and rupture devices - ANS Devices covered in the B-52 code that ensure safety
in pressure systems.
@2026/2027 ALLRIGHTS RESERVED.
, Minimum required wall thickness of a superheater tube - ANS Calculated based on the tube's
outer diameter, working pressure, and temperature.
Maximum allowable working pressure for a watertube boiler tube - ANS Determined by the
tube's outer diameter, minimum wall thickness, and material properties.
SA-213-T11 - ANS Specification for alloy steel used in high-temperature applications.
SA-192 - ANS Specification for carbon steel used in boiler tubes.
Boiler tube - ANS A tube used in boilers to transfer heat and contain steam or water.
Welded boiler drum - ANS A cylindrical component of a boiler that contains water and steam.
Inside radius of a welded boiler drum - ANS The internal radius of the drum, used in thickness
calculations.
Maximum design working pressure - ANS The highest pressure that a vessel is designed to
withstand.
Metal temperature - ANS The temperature of the material used in pressure vessels during
operation.
Weld reinforcement - ANS Material added to a weld joint to enhance strength, which may be
removed for smoothness.
@2026/2027 ALLRIGHTS RESERVED.
