Power Engineering 3A2
2026 | Study Guide,
Practice Questions,
Answers, Rationales &
Exam Review | Complete
Ethics Study Guide
Updated 2026 Questions and Answers
100% Verified Exam Prep and Comprehensive
Rationales
Included
,What is the acronym for the American Society of ASME
Mechanical Engineers?
What is the acronym for The National Board of Boiler and NBBI
Pressure Vessel Inspectors?
The Alberta Boilers Safety Association (ABSA) is boilers, pressure vessels
responsible for the administration of the legislation for
_________ and _________.
What designates the classification of the certificate of Kilowatt rating of the power plant
competency, required for the role of chief power engineer?
What is the role of the Chief Power Engineer? Supervision of the other power engineers and the safe, and efficient, operation of
the plant
What is the focus of the Engineers regulations? State the minimum qualifications necessary to obtain each class of power engineer
certification
What standard regulates Boiler, Pressure Vessel, and CSA B51
Pressure Piping Code?
What standard regulates Mechanical Refrigeration Code? CSA B52
What code regulates the rules for Construction of Power ASME Section I
Boilers?
What code regulates the recommended guidelines for the ASME Section VII
care of Power Boilers?
What code regulates Chemical Plant and Petroleum B31.3
Refinery Piping?
What is the main focus of the National Board of Boiler and To establish uniform qualifications for inspectors and acceptance of standard code
Pressure Vessel Inspectors (NBBI)? requirements
,Today, all Canadian provinces and most of the states in the True
United States, require boilers and pressure vessels to be
inspected during fabrication by an inspector holding a
National Board commission
Qualified and authorized boiler and pressure vessel False
manufacturers need not be registered with the National
Board.
What information will be found in the Boilers and Related This section identifies the standards used in the design, construction, installation,
Components of the B-51 code? inspection, testing, and repair, along with water gauges, low water cut off, fusible
plugs, boiler installation, inspection openings, outlet dampers, blowoff tanks, and
cast iron steam and hot water boilers
The pressure vessels section of the B-51 code identifies True
pressure vessels and their installation, including pressure
vessel inspection openings. This section also shows the
design of cushion tanks, blowoff vessels, and the
installation of air receivers
The repairs and alterations section of the B-51 outlines the True
standards that must be followed when replacing existing
pieces of pressure equipment with new pieces of pressure
equipment
What tables are found in the tables section of the B-51 Categories of fittings
code? Minimum dimensions of blowoff vessels
Minimum dimensions of blowoff vessels for coil-tube boilers
What are the two main purposes of the CSA B-52 code? To provide for the safe design, construction, installation, operation and repair of
refrigerating and air conditioning equipment and systems, and related equipment.
To promote uniform requirements among the provinces and territories.
Clear definitions for terms and equipment relating to True
refrigeration and air conditioning equipment are described
in sections of the B-52 code?
Pressure relief and rupture devices are not covered in the False
B-52 code?
Calculate the minimum required wall thickness of a 0.5846 mm
superheater tube. The tube is 40 mm O.D. and is
connected to a header by strength welding. The maximum
allowable working pressure is 2000 kPa gauge and the
average tube temperature is 212°C. The tube material is
alloy steel with specification SA-213-T11.
, Calculate the minimum required wall thickness of a 2.014 mm
superheater tube. The tube is 100 mm O.D. and is
connected to a header by strength welding. The maximum
allowable working pressure is 2430 kPa gauge and the
average tube temperature is 375°C. The tube material is
alloy steel with specification SA-192.
Calculate the maximum allowable working pressure, in 9.921 Mpa
kPa, for a watertube boiler tube, which is 73.5 mm O.D.
and has a minimum wall thickness of 4.71 mm. The tube is
strength-welded into place in the boiler and is located in
the furnace area of the boiler. Tube material is carbon
steel, SA-192, with a mean wall temperature of 380°C.
Calculate the minimum required wall thickness of a boiler 1.62 mm
tube which is strength welded to a header. The maximum
allowable working pressure is 4450 kPa, and the mean
wall temperature is 370°C. The tube material is SA-192
and the outside diameter is 50 mm.
Calculate the maximum allowable working pressure, in 6.2 Mpa
kPa, for a watertube boiler tube, which is 76 mm O.D. and
has a minimum wall thickness of 3.25 mm. The tube is
strength-welded into place in the boiler and is located in
the furnace area of the boiler. Tube material is carbon
steel, SA-192, with a mean wall temperature of 375°C.
Calculate the minimum required wall thickness of a 1.88 mm
superheater tube. The tube is 76 mm O.D. and is
connected to a header by strength welding. The maximum
allowable working pressure is 4150 kPa gauge and the
average tube temperature is 400°C. The tube material is
alloy steel with specification SA-213-T11.
Calculate the minimum required plate thickness of a 72.96 mm
welded boiler drum having an inside radius of 935 mm and
a maximum design working pressure of 9020 kPa. The
plate material is SA-516 grade 70 and metal temperature
does not exceed 320°C. Weld reinforcement on the
longitudinal joints has been removed flush with the surface
of the plate.
Calculate the minimum thickness required for a welded 3.04 mm
steel pipe of material SA-209 grade T1b, plain end. The
outside diameter of the pipe is 273.05 mm and the
operating pressure and temperature are 2000 kPa and
400°C, respectively.
A steam header between the boiler and first stop valve is 10.90 mm
to be fabricated of 152.4 mm O.D. pipe. The material
specification is SA-369 FPA seamless pipe. The operating
pressure will be 8440 kPa at 420°C. The pipe will be joined
by full penetration welds and will be fully radiographed.
Calculate the minimum thickness of the pipe wall if the
manufacturer's tolerance is 12.5%.
2026 | Study Guide,
Practice Questions,
Answers, Rationales &
Exam Review | Complete
Ethics Study Guide
Updated 2026 Questions and Answers
100% Verified Exam Prep and Comprehensive
Rationales
Included
,What is the acronym for the American Society of ASME
Mechanical Engineers?
What is the acronym for The National Board of Boiler and NBBI
Pressure Vessel Inspectors?
The Alberta Boilers Safety Association (ABSA) is boilers, pressure vessels
responsible for the administration of the legislation for
_________ and _________.
What designates the classification of the certificate of Kilowatt rating of the power plant
competency, required for the role of chief power engineer?
What is the role of the Chief Power Engineer? Supervision of the other power engineers and the safe, and efficient, operation of
the plant
What is the focus of the Engineers regulations? State the minimum qualifications necessary to obtain each class of power engineer
certification
What standard regulates Boiler, Pressure Vessel, and CSA B51
Pressure Piping Code?
What standard regulates Mechanical Refrigeration Code? CSA B52
What code regulates the rules for Construction of Power ASME Section I
Boilers?
What code regulates the recommended guidelines for the ASME Section VII
care of Power Boilers?
What code regulates Chemical Plant and Petroleum B31.3
Refinery Piping?
What is the main focus of the National Board of Boiler and To establish uniform qualifications for inspectors and acceptance of standard code
Pressure Vessel Inspectors (NBBI)? requirements
,Today, all Canadian provinces and most of the states in the True
United States, require boilers and pressure vessels to be
inspected during fabrication by an inspector holding a
National Board commission
Qualified and authorized boiler and pressure vessel False
manufacturers need not be registered with the National
Board.
What information will be found in the Boilers and Related This section identifies the standards used in the design, construction, installation,
Components of the B-51 code? inspection, testing, and repair, along with water gauges, low water cut off, fusible
plugs, boiler installation, inspection openings, outlet dampers, blowoff tanks, and
cast iron steam and hot water boilers
The pressure vessels section of the B-51 code identifies True
pressure vessels and their installation, including pressure
vessel inspection openings. This section also shows the
design of cushion tanks, blowoff vessels, and the
installation of air receivers
The repairs and alterations section of the B-51 outlines the True
standards that must be followed when replacing existing
pieces of pressure equipment with new pieces of pressure
equipment
What tables are found in the tables section of the B-51 Categories of fittings
code? Minimum dimensions of blowoff vessels
Minimum dimensions of blowoff vessels for coil-tube boilers
What are the two main purposes of the CSA B-52 code? To provide for the safe design, construction, installation, operation and repair of
refrigerating and air conditioning equipment and systems, and related equipment.
To promote uniform requirements among the provinces and territories.
Clear definitions for terms and equipment relating to True
refrigeration and air conditioning equipment are described
in sections of the B-52 code?
Pressure relief and rupture devices are not covered in the False
B-52 code?
Calculate the minimum required wall thickness of a 0.5846 mm
superheater tube. The tube is 40 mm O.D. and is
connected to a header by strength welding. The maximum
allowable working pressure is 2000 kPa gauge and the
average tube temperature is 212°C. The tube material is
alloy steel with specification SA-213-T11.
, Calculate the minimum required wall thickness of a 2.014 mm
superheater tube. The tube is 100 mm O.D. and is
connected to a header by strength welding. The maximum
allowable working pressure is 2430 kPa gauge and the
average tube temperature is 375°C. The tube material is
alloy steel with specification SA-192.
Calculate the maximum allowable working pressure, in 9.921 Mpa
kPa, for a watertube boiler tube, which is 73.5 mm O.D.
and has a minimum wall thickness of 4.71 mm. The tube is
strength-welded into place in the boiler and is located in
the furnace area of the boiler. Tube material is carbon
steel, SA-192, with a mean wall temperature of 380°C.
Calculate the minimum required wall thickness of a boiler 1.62 mm
tube which is strength welded to a header. The maximum
allowable working pressure is 4450 kPa, and the mean
wall temperature is 370°C. The tube material is SA-192
and the outside diameter is 50 mm.
Calculate the maximum allowable working pressure, in 6.2 Mpa
kPa, for a watertube boiler tube, which is 76 mm O.D. and
has a minimum wall thickness of 3.25 mm. The tube is
strength-welded into place in the boiler and is located in
the furnace area of the boiler. Tube material is carbon
steel, SA-192, with a mean wall temperature of 375°C.
Calculate the minimum required wall thickness of a 1.88 mm
superheater tube. The tube is 76 mm O.D. and is
connected to a header by strength welding. The maximum
allowable working pressure is 4150 kPa gauge and the
average tube temperature is 400°C. The tube material is
alloy steel with specification SA-213-T11.
Calculate the minimum required plate thickness of a 72.96 mm
welded boiler drum having an inside radius of 935 mm and
a maximum design working pressure of 9020 kPa. The
plate material is SA-516 grade 70 and metal temperature
does not exceed 320°C. Weld reinforcement on the
longitudinal joints has been removed flush with the surface
of the plate.
Calculate the minimum thickness required for a welded 3.04 mm
steel pipe of material SA-209 grade T1b, plain end. The
outside diameter of the pipe is 273.05 mm and the
operating pressure and temperature are 2000 kPa and
400°C, respectively.
A steam header between the boiler and first stop valve is 10.90 mm
to be fabricated of 152.4 mm O.D. pipe. The material
specification is SA-369 FPA seamless pipe. The operating
pressure will be 8440 kPa at 420°C. The pipe will be joined
by full penetration welds and will be fully radiographed.
Calculate the minimum thickness of the pipe wall if the
manufacturer's tolerance is 12.5%.
