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Questions and Answers
EASY What happens to every valve, piping component, or instrument connected to the pressure side of a boiler?
EASY What happens to every valve, piping component, or instrument connected to the pressure side of a boiler?
What is a consideration when selecting fittings for a boiler?
What is a consideration when selecting fittings for a boiler?
At what pressure and temperature must a fitting be registered as a pressure component according to the CSA B51 Boiler Code?
At what pressure and temperature must a fitting be registered as a pressure component according to the CSA B51 Boiler Code?
What is required to register a fitting as a pressure component?
What is required to register a fitting as a pressure component?
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What is issued to a fitting that meets the requirements for pressure service?
What is issued to a fitting that meets the requirements for pressure service?
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What type of fittings require registration?
What type of fittings require registration?
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What must the supplier of fittings provide when installing or replacing piping or fittings?
What must the supplier of fittings provide when installing or replacing piping or fittings?
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Why is the registration process complicated?
Why is the registration process complicated?
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Which code has administrative jurisdiction over boiler external piping?
Which code has administrative jurisdiction over boiler external piping?
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What type of piping is covered in Part 122.2?
What type of piping is covered in Part 122.2?
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What is covered in Part 122.6 of the ASME B31.1 code?
What is covered in Part 122.6 of the ASME B31.1 code?
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Which of the following is a type of power boiler that generates steam at a pressure of more than 100 kPa?
Which of the following is a type of power boiler that generates steam at a pressure of more than 100 kPa?
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Where are the design and fabrication rules for boiler external piping found?
Where are the design and fabrication rules for boiler external piping found?
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Why is it necessary for fittings to be clearly marked or identified?
Why is it necessary for fittings to be clearly marked or identified?
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What is the consequence of using an improperly identified fitting in pressure service?
What is the consequence of using an improperly identified fitting in pressure service?
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Which part of the ASME BPVC I code covers the general requirements for all methods of construction?
Which part of the ASME BPVC I code covers the general requirements for all methods of construction?
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What type of piping is NOT covered in Part 122.1?
What type of piping is NOT covered in Part 122.1?
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Why is it important to know which code to consult when replacing or repairing pressure components?
Why is it important to know which code to consult when replacing or repairing pressure components?
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What is covered in Part 122.11 of the ASME B31.1 code?
What is covered in Part 122.11 of the ASME B31.1 code?
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Which ASME code addresses design and fabrication requirements for low-pressure plant piping installations?
Which ASME code addresses design and fabrication requirements for low-pressure plant piping installations?
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What is boiler external piping?
What is boiler external piping?
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Which of the following is NOT a type of power boiler?
Which of the following is NOT a type of power boiler?
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What type of valves are installed on boiler external piping systems?
What type of valves are installed on boiler external piping systems?
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What is nonboiler external piping?
What is nonboiler external piping?
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Which code has jurisdiction over the materials, design, fabrication, installation, and testing of boiler proper piping?
Which code has jurisdiction over the materials, design, fabrication, installation, and testing of boiler proper piping?
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Why is it important to consult the correct code for piping systems?
Why is it important to consult the correct code for piping systems?
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What is the consequence of using austenitic stainless steel components on water-wetted boiler surfaces?
What is the consequence of using austenitic stainless steel components on water-wetted boiler surfaces?
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What is the minimum information required on the markings of a fitting?
What is the minimum information required on the markings of a fitting?
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What is the reference for Boiler Outlets and External Piping in Part PG?
What is the reference for Boiler Outlets and External Piping in Part PG?
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Which part of the ASME BPVC code covers the design and construction of Steam heating boilers?
Which part of the ASME BPVC code covers the design and construction of Steam heating boilers?
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What is the reference for Requirements for Valves and Fittings in Part PG?
What is the reference for Requirements for Valves and Fittings in Part PG?
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What is the reference for Safety Valve Requirements for Steam Boilers in ASME BPVC IV?
What is the reference for Safety Valve Requirements for Steam Boilers in ASME BPVC IV?
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What type of boilers generate steam or other vapour at a pressure not exceeding 100 kPa?
What type of boilers generate steam or other vapour at a pressure not exceeding 100 kPa?
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What is the reference for Requirements for Feedwater Connections in Part PG?
What is the reference for Requirements for Feedwater Connections in Part PG?
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Which part of the ASME BPVC code has specific references related to boilers of particular designs?
Which part of the ASME BPVC code has specific references related to boilers of particular designs?
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What is the reference for Minimum Requirements for Pressure Relief Valves in Part PG?
What is the reference for Minimum Requirements for Pressure Relief Valves in Part PG?
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What is the primary purpose of ASME BPVC IV rules?
What is the primary purpose of ASME BPVC IV rules?
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Which part of the ASME BPVC code has specific references related to boilers of particular designs?
Which part of the ASME BPVC code has specific references related to boilers of particular designs?
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What is the reference for Requirements Common to Steam, Feedwater, Blowoff, and Drain Systems in Part PG?
What is the reference for Requirements Common to Steam, Feedwater, Blowoff, and Drain Systems in Part PG?
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What type of boilers generate steam or other vapour at a pressure not exceeding 100 kPa?
What type of boilers generate steam or other vapour at a pressure not exceeding 100 kPa?
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What is the reference for Superheater and Reheater Overpressure Protection Requirements in Part PG?
What is the reference for Superheater and Reheater Overpressure Protection Requirements in Part PG?
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What is the reference for Requirements for Miscellaneous Pipe, Valves, and Fittings, including Water Level Indicators, Water Columns, and Pressure Gauges in Part PG?
What is the reference for Requirements for Miscellaneous Pipe, Valves, and Fittings, including Water Level Indicators, Water Columns, and Pressure Gauges in Part PG?
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Which part of the ASME BPVC code covers the general requirements for all methods of construction?
Which part of the ASME BPVC code covers the general requirements for all methods of construction?
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MEDIUM What is the reference for Blowoff pipes in Part PEB?
MEDIUM What is the reference for Blowoff pipes in Part PEB?
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Which ASME code has administrative and technical jurisdiction over the design and fabrication of boiler external piping?
Which ASME code has administrative and technical jurisdiction over the design and fabrication of boiler external piping?
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What type of piping is covered in Part 122.1 of the ASME B31.1 code?
What type of piping is covered in Part 122.1 of the ASME B31.1 code?
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Which of the following is a type of power boiler that generates steam or other vapour at a pressure of more than 100 kPa?
Which of the following is a type of power boiler that generates steam or other vapour at a pressure of more than 100 kPa?
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What is covered in Part 122.3 of the ASME B31.1 code?
What is covered in Part 122.3 of the ASME B31.1 code?
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Which code has administrative jurisdiction over the materials of construction and installation of boiler fittings?
Which code has administrative jurisdiction over the materials of construction and installation of boiler fittings?
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What is the purpose of Part 122.2 of the ASME B31.1 code?
What is the purpose of Part 122.2 of the ASME B31.1 code?
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Which part of the ASME BPVC I code covers the general requirements for all methods of construction?
Which part of the ASME BPVC I code covers the general requirements for all methods of construction?
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What type of piping is covered in Part 122.5 of the ASME B31.1 code?
What type of piping is covered in Part 122.5 of the ASME B31.1 code?
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Which ASME code covers the design and fabrication of piping for pressure relief devices?
Which ASME code covers the design and fabrication of piping for pressure relief devices?
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What type of power boilers are of greatest interest to the Fourth Class Power Engineer?
What type of power boilers are of greatest interest to the Fourth Class Power Engineer?
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What is a key consideration when selecting fittings for boiler service?
What is a key consideration when selecting fittings for boiler service?
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Which of the following types of devices require registration as pressure components?
Which of the following types of devices require registration as pressure components?
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What is required for the registration of a fitting as a pressure component?
What is required for the registration of a fitting as a pressure component?
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What is issued to a fitting that meets the requirements for pressure service?
What is issued to a fitting that meets the requirements for pressure service?
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Why is the registration process complicated?
Why is the registration process complicated?
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What must the supplier of fittings provide when installing or replacing piping or fittings?
What must the supplier of fittings provide when installing or replacing piping or fittings?
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What is the purpose of registering fittings as pressure components?
What is the purpose of registering fittings as pressure components?
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Which code requires registration of fittings as pressure components?
Which code requires registration of fittings as pressure components?
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What is a crucial consideration when selecting fittings for a specific application?
What is a crucial consideration when selecting fittings for a specific application?
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Why must austenitic stainless steel components never be used on water-wetted boiler surfaces?
Why must austenitic stainless steel components never be used on water-wetted boiler surfaces?
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What is the purpose of registering a fitting as a pressure component?
What is the purpose of registering a fitting as a pressure component?
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What is the consequence of using an improperly identified fitting in pressure service?
What is the consequence of using an improperly identified fitting in pressure service?
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Which code addresses design and fabrication requirements for high-pressure plant piping installations?
Which code addresses design and fabrication requirements for high-pressure plant piping installations?
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What is boiler external piping?
What is boiler external piping?
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Why must Power Engineers know which code to consult when replacing or repairing pressure components?
Why must Power Engineers know which code to consult when replacing or repairing pressure components?
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What information must be included on the markings of a fitting?
What information must be included on the markings of a fitting?
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What type of piping extends beyond the isolation valve required by ASME BPVC I?
What type of piping extends beyond the isolation valve required by ASME BPVC I?
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Which code has jurisdiction over low-pressure plant piping installations?
Which code has jurisdiction over low-pressure plant piping installations?
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What is the primary consideration when selecting a valve or piping component for a boiler?
What is the primary consideration when selecting a valve or piping component for a boiler?
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What is the minimum pressure requirement for registration as a pressure component according to the CSA B51 Boiler Code?
What is the minimum pressure requirement for registration as a pressure component according to the CSA B51 Boiler Code?
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What documentation is required for every item purchased and installed in a boiler system?
What documentation is required for every item purchased and installed in a boiler system?
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What is the consequence of using an improperly identified fitting in pressure service?
What is the consequence of using an improperly identified fitting in pressure service?
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What is the purpose of registering a fitting as a pressure component?
What is the purpose of registering a fitting as a pressure component?
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HARD What type of fittings require registration according to the CSA B51 Boiler Code?
HARD What type of fittings require registration according to the CSA B51 Boiler Code?
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What is a critical consideration when applying a fitting in a boiler system?
What is a critical consideration when applying a fitting in a boiler system?
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What is issued to a fitting that meets the requirements for pressure service?
What is issued to a fitting that meets the requirements for pressure service?
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Which part of the ASME BPVC code covers the requirements for steam heating boilers, hot water heating boilers, hot water supply boilers, and hot water heaters?
Which part of the ASME BPVC code covers the requirements for steam heating boilers, hot water heating boilers, hot water supply boilers, and hot water heaters?
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What is the reference for Requirements for Blowoffs in Part PG?
What is the reference for Requirements for Blowoffs in Part PG?
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Which of the following is a type of boiler that generates steam or other vapour at a pressure not exceeding 100 kPa?
Which of the following is a type of boiler that generates steam or other vapour at a pressure not exceeding 100 kPa?
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What is the reference for Safety Valve Requirements for Steam Boilers in ASME BPVC IV?
What is the reference for Safety Valve Requirements for Steam Boilers in ASME BPVC IV?
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Which part of the ASME BPVC code has specific references related to Electric Boilers?
Which part of the ASME BPVC code has specific references related to Electric Boilers?
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What is the reference for Requirements for Drains in Part PG?
What is the reference for Requirements for Drains in Part PG?
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What is the reference for Boiler Overpressure Protection Requirements in Part PG?
What is the reference for Boiler Overpressure Protection Requirements in Part PG?
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Which part of the ASME BPVC code covers the general requirements for all methods of construction?
Which part of the ASME BPVC code covers the general requirements for all methods of construction?
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What is the primary reason why a fitting made of a copper alloy may be unsuitable for use in an ammonia refrigeration system, despite being registered?
What is the primary reason why a fitting made of a copper alloy may be unsuitable for use in an ammonia refrigeration system, despite being registered?
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What is the minimum information that must be shown on the markings of a fitting?
What is the minimum information that must be shown on the markings of a fitting?
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What is the consequence of using an improperly identified fitting in pressure service?
What is the consequence of using an improperly identified fitting in pressure service?
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Which ASME code has jurisdiction over the materials, design, fabrication, installation, and testing of nonboiler external piping?
Which ASME code has jurisdiction over the materials, design, fabrication, installation, and testing of nonboiler external piping?
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What is the purpose of the registration process for fittings?
What is the purpose of the registration process for fittings?
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What is the consequence of using austenitic stainless steel components on water-wetted boiler surfaces?
What is the consequence of using austenitic stainless steel components on water-wetted boiler surfaces?
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Which code has jurisdiction over the design and fabrication requirements for low-pressure plant piping installations?
Which code has jurisdiction over the design and fabrication requirements for low-pressure plant piping installations?
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Which part of the ASME BPVC I code covers the general requirements for all methods of construction of power boilers?
Which part of the ASME BPVC I code covers the general requirements for all methods of construction of power boilers?
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What is the purpose of the ASME BPVC I code?
What is the purpose of the ASME BPVC I code?
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Which ASME code has administrative and technical jurisdiction over the design and fabrication of boiler external piping?
Which ASME code has administrative and technical jurisdiction over the design and fabrication of boiler external piping?
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What is the consequence of using a cast iron water column with a maximum allowable working pressure of 1035 kPa on a boiler with a MAWP of 1720 kPa?
What is the consequence of using a cast iron water column with a maximum allowable working pressure of 1035 kPa on a boiler with a MAWP of 1720 kPa?
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Why is it important to know which code to consult when replacing or repairing pressure components?
Why is it important to know which code to consult when replacing or repairing pressure components?
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What type of piping is covered in Part 122.1 of the ASME B31.1 code?
What type of piping is covered in Part 122.1 of the ASME B31.1 code?
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What is the primary purpose of ASME BPVC I rules?
What is the primary purpose of ASME BPVC I rules?
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Which of the following is a type of power boiler that generates steam or other vapour at a pressure of more than 100 kPa?
Which of the following is a type of power boiler that generates steam or other vapour at a pressure of more than 100 kPa?
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Which part of the ASME B31.1 code covers the design and fabrication of piping for pressure relief devices?
Which part of the ASME B31.1 code covers the design and fabrication of piping for pressure relief devices?
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What is covered in Part 122.2 of the ASME B31.1 code?
What is covered in Part 122.2 of the ASME B31.1 code?
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Which code has administrative jurisdiction over the materials of construction and installation of boiler fittings?
Which code has administrative jurisdiction over the materials of construction and installation of boiler fittings?
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What is the purpose of Part 122.3 of the ASME B31.1 code?
What is the purpose of Part 122.3 of the ASME B31.1 code?
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Which of the following is NOT a type of power boiler that generates steam or other vapour at a pressure of more than 100 kPa?
Which of the following is NOT a type of power boiler that generates steam or other vapour at a pressure of more than 100 kPa?
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Match the type of fitting with the category it belongs to:
Match the type of fitting with the category it belongs to:
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Match the condition with the requirement for registration:
Match the condition with the requirement for registration:
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Match the registration requirement with the corresponding information:
Match the registration requirement with the corresponding information:
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Match the type of fitting with the reason it must be registered:
Match the type of fitting with the reason it must be registered:
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Match the code or standard with its corresponding information:
Match the code or standard with its corresponding information:
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Match the fitting category with the corresponding installation requirement:
Match the fitting category with the corresponding installation requirement:
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Match the registration process step with the corresponding action:
Match the registration process step with the corresponding action:
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Match the boiler component with its corresponding purpose:
Match the boiler component with its corresponding purpose:
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Match the ASME BPVC references with their corresponding descriptions:
Match the ASME BPVC references with their corresponding descriptions:
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Match the ASME BPVC IV references with their corresponding descriptions:
Match the ASME BPVC IV references with their corresponding descriptions:
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Match the ASME BPVC I references with their corresponding descriptions:
Match the ASME BPVC I references with their corresponding descriptions:
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Match the ASME BPVC I references with their corresponding descriptions:
Match the ASME BPVC I references with their corresponding descriptions:
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Match the ASME BPVC PEB references with their corresponding descriptions:
Match the ASME BPVC PEB references with their corresponding descriptions:
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Match the types of boilers with their corresponding descriptions:
Match the types of boilers with their corresponding descriptions:
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Match the ASME BPVC IV references with their corresponding descriptions:
Match the ASME BPVC IV references with their corresponding descriptions:
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Match the ASME BPVC IV references with their corresponding descriptions:
Match the ASME BPVC IV references with their corresponding descriptions:
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Match the ASME codes with their respective applications:
Match the ASME codes with their respective applications:
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Match the piping categories with their respective definitions:
Match the piping categories with their respective definitions:
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Match the reasons with their respective consequences:
Match the reasons with their respective consequences:
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Match the markings on fittings with their respective information:
Match the markings on fittings with their respective information:
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Match the codes with their respective jurisdictions:
Match the codes with their respective jurisdictions:
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Match the piping systems with their respective codes:
Match the piping systems with their respective codes:
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Match the components with their respective requirements:
Match the components with their respective requirements:
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Match the consequences with their respective actions:
Match the consequences with their respective actions:
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Match the following power boiler types with their characteristic pressure:
Match the following power boiler types with their characteristic pressure:
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Match the following parts of the ASME BPVC I code with their respective content:
Match the following parts of the ASME BPVC I code with their respective content:
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Match the codes with their respective sections:
Match the codes with their respective sections:
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Match the following piping systems with their corresponding ASME code:
Match the following piping systems with their corresponding ASME code:
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Match the piping categories with their respective examples:
Match the piping categories with their respective examples:
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Match the following components with their respective ASME code:
Match the following components with their respective ASME code:
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Match the following parts of the ASME B31.1 code with their respective content:
Match the following parts of the ASME B31.1 code with their respective content:
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Match the following ASME codes with their respective jurisdiction:
Match the following ASME codes with their respective jurisdiction:
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Match the following piping systems with their respective ASME code parts:
Match the following piping systems with their respective ASME code parts:
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Match the following components with their respective ASME code parts:
Match the following components with their respective ASME code parts:
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Match the following power boiler categories with their respective characteristics:
Match the following power boiler categories with their respective characteristics:
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Match the following ASME codes with their respective content:
Match the following ASME codes with their respective content:
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Study Notes
Boiler Fittings and Registration
- Every valve, piping component, or instrument connected to the pressure side of a boiler becomes pressurized and must meet the required service designation for the boiler to which they are installed.
- Considerations for fitting service include:
- Operating temperature
- Operating pressure
- Material compatibility
- The CSA B51 Boiler, Pressure Vessel, and Pressure Piping Code requires registration of all pressure fittings designed for service at:
- Pressures greater than 103 kPa and temperatures above 65°C
- Pressures greater than 1720 kPa
Registration Process
- The manufacturer of the fitting must have high-quality control standards and proof that the fitting can endure the type of service it was designed for.
- An application for registration is made in the jurisdiction where the fitting will be used.
- Design engineers review the application and evidence, and if the fitting is found suitable, the registering jurisdiction issues a Canadian Registration Number (CRN).
Fittings Requiring Registration
- Pipe fittings (e.g. couplings, tees, elbows, wyes, plugs, unions, pipe caps, reducers, flanges, valves)
- Expansion joints, flexible connections, and hose assemblies
- Strainers, filters, separators, and steam traps
- Measuring devices (e.g. pressure gauges, level gauges, sight glasses, levels, pressure transmitters)
- Pressure relief devices and fusible plugs used for overpressure protection
Importance of Registration
- Installers and end-users are assured of reasonable quality and suitability for pressure service with registered fittings.
- Most jurisdictions prohibit the use of non-registered fittings in pressure service.
Code References
- ASME BPVC I Power Boilers and ASME B31.1 Power Piping Code address design and fabrication requirements for high-pressure plant piping installations.
- ASME BPVC IV Heating Boilers, ASME BPVC VII Recommended Rules for the Care and Operation of Heating Boilers, and ASME B31.9 Building Services Piping Code address design and fabrication requirements for low-pressure plant piping installations.
Piping Categories
- Boiler proper piping
- Boiler external piping
- Nonboiler external piping
ASME BPVC I and ASME B31.1
- Divide high-pressure plant piping into three categories: boiler proper piping, boiler external piping, and nonboiler external piping.
- ASME BPVC I has administrative jurisdiction over boiler external piping, while ASME B31.1 has technical jurisdiction.
ASME BPVC I and ASME B31.1 Code Sections
- Part 122.1: Boiler External Piping
- Part 122.2: Blowoff and Blowdown Piping in Nonboiler External Piping
- Part 122.6: Pressure Relief Piping
- Other important sections of the ASME B31.1 code include:
- Part 122.3: Instrument, Control, and Sampling Piping
- Part 122.5: Pressure-Reducing Valves
- Part 122.11: Steam Trap Piping
- Part 122.13: Pump Discharge Piping
ASME BPVC Boiler Fittings
- Covers materials of construction and installation of many fittings required to ensure the integrity of the boiler proper.
- Includes water columns, water level indicators, pressure gauges, and safety valves.
Power Boilers
- Generate steam or other vapour at a pressure of more than 100 kPa (15 psi).
- Sub-categorized as:
- High-pressure steam boilers
- High-pressure, high-temperature hot water boilers
- Electric boilers
- Miniature boilers
- Organic fluid vaporizers
Heating Boilers
- Generate steam or other vapour at a pressure not exceeding 100 kPa.
- Generate hot water at a pressure not exceeding 1100 kPa or at a temperature not exceeding 120°C.
- ASME BPVC IV rules cover the design and construction of:
- Steam heating boilers
- Hot water heating boilers
- Hot water supply boilers
- Hot water heaters
Boiler Fittings and Registration
- Every valve, piping component, or instrument connected to the pressure side of a boiler becomes pressurized and must meet the required service designation for the boiler to which they are installed.
- Considerations for fitting service include:
- Operating temperature
- Operating pressure
- Material compatibility
- The CSA B51 Boiler, Pressure Vessel, and Pressure Piping Code requires registration of all pressure fittings designed for service at:
- Pressures greater than 103 kPa and temperatures above 65°C
- Pressures greater than 1720 kPa
Registration Process
- The manufacturer of the fitting must have high-quality control standards and proof that the fitting can endure the type of service it was designed for.
- An application for registration is made in the jurisdiction where the fitting will be used.
- Design engineers review the application and evidence, and if the fitting is found suitable, the registering jurisdiction issues a Canadian Registration Number (CRN).
Fittings Requiring Registration
- Pipe fittings (e.g. couplings, tees, elbows, wyes, plugs, unions, pipe caps, reducers, flanges, valves)
- Expansion joints, flexible connections, and hose assemblies
- Strainers, filters, separators, and steam traps
- Measuring devices (e.g. pressure gauges, level gauges, sight glasses, levels, pressure transmitters)
- Pressure relief devices and fusible plugs used for overpressure protection
Importance of Registration
- Installers and end-users are assured of reasonable quality and suitability for pressure service with registered fittings.
- Most jurisdictions prohibit the use of non-registered fittings in pressure service.
Code References
- ASME BPVC I Power Boilers and ASME B31.1 Power Piping Code address design and fabrication requirements for high-pressure plant piping installations.
- ASME BPVC IV Heating Boilers, ASME BPVC VII Recommended Rules for the Care and Operation of Heating Boilers, and ASME B31.9 Building Services Piping Code address design and fabrication requirements for low-pressure plant piping installations.
Piping Categories
- Boiler proper piping
- Boiler external piping
- Nonboiler external piping
ASME BPVC I and ASME B31.1
- Divide high-pressure plant piping into three categories: boiler proper piping, boiler external piping, and nonboiler external piping.
- ASME BPVC I has administrative jurisdiction over boiler external piping, while ASME B31.1 has technical jurisdiction.
ASME BPVC I and ASME B31.1 Code Sections
- Part 122.1: Boiler External Piping
- Part 122.2: Blowoff and Blowdown Piping in Nonboiler External Piping
- Part 122.6: Pressure Relief Piping
- Other important sections of the ASME B31.1 code include:
- Part 122.3: Instrument, Control, and Sampling Piping
- Part 122.5: Pressure-Reducing Valves
- Part 122.11: Steam Trap Piping
- Part 122.13: Pump Discharge Piping
ASME BPVC Boiler Fittings
- Covers materials of construction and installation of many fittings required to ensure the integrity of the boiler proper.
- Includes water columns, water level indicators, pressure gauges, and safety valves.
Power Boilers
- Generate steam or other vapour at a pressure of more than 100 kPa (15 psi).
- Sub-categorized as:
- High-pressure steam boilers
- High-pressure, high-temperature hot water boilers
- Electric boilers
- Miniature boilers
- Organic fluid vaporizers
Heating Boilers
- Generate steam or other vapour at a pressure not exceeding 100 kPa.
- Generate hot water at a pressure not exceeding 1100 kPa or at a temperature not exceeding 120°C.
- ASME BPVC IV rules cover the design and construction of:
- Steam heating boilers
- Hot water heating boilers
- Hot water supply boilers
- Hot water heaters
Boiler Fittings and Registration
- Every valve, piping component, or instrument connected to the pressure side of a boiler becomes pressurized and must meet the required service designation for the boiler to which they are installed.
- Considerations for fitting service include:
- Operating temperature
- Operating pressure
- Material compatibility
- The CSA B51 Boiler, Pressure Vessel, and Pressure Piping Code requires registration of all pressure fittings designed for service at:
- Pressures greater than 103 kPa and temperatures above 65°C
- Pressures greater than 1720 kPa
Registration Process
- The manufacturer of the fitting must have high-quality control standards and proof that the fitting can endure the type of service it was designed for.
- An application for registration is made in the jurisdiction where the fitting will be used.
- Design engineers review the application and evidence, and if the fitting is found suitable, the registering jurisdiction issues a Canadian Registration Number (CRN).
Fittings Requiring Registration
- Pipe fittings (e.g. couplings, tees, elbows, wyes, plugs, unions, pipe caps, reducers, flanges, valves)
- Expansion joints, flexible connections, and hose assemblies
- Strainers, filters, separators, and steam traps
- Measuring devices (e.g. pressure gauges, level gauges, sight glasses, levels, pressure transmitters)
- Pressure relief devices and fusible plugs used for overpressure protection
Importance of Registration
- Installers and end-users are assured of reasonable quality and suitability for pressure service with registered fittings.
- Most jurisdictions prohibit the use of non-registered fittings in pressure service.
Code References
- ASME BPVC I Power Boilers and ASME B31.1 Power Piping Code address design and fabrication requirements for high-pressure plant piping installations.
- ASME BPVC IV Heating Boilers, ASME BPVC VII Recommended Rules for the Care and Operation of Heating Boilers, and ASME B31.9 Building Services Piping Code address design and fabrication requirements for low-pressure plant piping installations.
Piping Categories
- Boiler proper piping
- Boiler external piping
- Nonboiler external piping
ASME BPVC I and ASME B31.1
- Divide high-pressure plant piping into three categories: boiler proper piping, boiler external piping, and nonboiler external piping.
- ASME BPVC I has administrative jurisdiction over boiler external piping, while ASME B31.1 has technical jurisdiction.
ASME BPVC I and ASME B31.1 Code Sections
- Part 122.1: Boiler External Piping
- Part 122.2: Blowoff and Blowdown Piping in Nonboiler External Piping
- Part 122.6: Pressure Relief Piping
- Other important sections of the ASME B31.1 code include:
- Part 122.3: Instrument, Control, and Sampling Piping
- Part 122.5: Pressure-Reducing Valves
- Part 122.11: Steam Trap Piping
- Part 122.13: Pump Discharge Piping
ASME BPVC Boiler Fittings
- Covers materials of construction and installation of many fittings required to ensure the integrity of the boiler proper.
- Includes water columns, water level indicators, pressure gauges, and safety valves.
Power Boilers
- Generate steam or other vapour at a pressure of more than 100 kPa (15 psi).
- Sub-categorized as:
- High-pressure steam boilers
- High-pressure, high-temperature hot water boilers
- Electric boilers
- Miniature boilers
- Organic fluid vaporizers
Heating Boilers
- Generate steam or other vapour at a pressure not exceeding 100 kPa.
- Generate hot water at a pressure not exceeding 1100 kPa or at a temperature not exceeding 120°C.
- ASME BPVC IV rules cover the design and construction of:
- Steam heating boilers
- Hot water heating boilers
- Hot water supply boilers
- Hot water heaters
Boiler Fittings and Registration
- Every valve, piping component, or instrument connected to the pressure side of a boiler becomes pressurized and must meet the required service designation for the boiler to which they are installed.
- Considerations for fitting service include:
- Operating temperature
- Operating pressure
- Material compatibility
- The CSA B51 Boiler, Pressure Vessel, and Pressure Piping Code requires registration of all pressure fittings designed for service at:
- Pressures greater than 103 kPa and temperatures above 65°C
- Pressures greater than 1720 kPa
Registration Process
- The manufacturer of the fitting must have high-quality control standards and proof that the fitting can endure the type of service it was designed for.
- An application for registration is made in the jurisdiction where the fitting will be used.
- Design engineers review the application and evidence, and if the fitting is found suitable, the registering jurisdiction issues a Canadian Registration Number (CRN).
Fittings Requiring Registration
- Pipe fittings (e.g. couplings, tees, elbows, wyes, plugs, unions, pipe caps, reducers, flanges, valves)
- Expansion joints, flexible connections, and hose assemblies
- Strainers, filters, separators, and steam traps
- Measuring devices (e.g. pressure gauges, level gauges, sight glasses, levels, pressure transmitters)
- Pressure relief devices and fusible plugs used for overpressure protection
Importance of Registration
- Installers and end-users are assured of reasonable quality and suitability for pressure service with registered fittings.
- Most jurisdictions prohibit the use of non-registered fittings in pressure service.
Code References
- ASME BPVC I Power Boilers and ASME B31.1 Power Piping Code address design and fabrication requirements for high-pressure plant piping installations.
- ASME BPVC IV Heating Boilers, ASME BPVC VII Recommended Rules for the Care and Operation of Heating Boilers, and ASME B31.9 Building Services Piping Code address design and fabrication requirements for low-pressure plant piping installations.
Piping Categories
- Boiler proper piping
- Boiler external piping
- Nonboiler external piping
ASME BPVC I and ASME B31.1
- Divide high-pressure plant piping into three categories: boiler proper piping, boiler external piping, and nonboiler external piping.
- ASME BPVC I has administrative jurisdiction over boiler external piping, while ASME B31.1 has technical jurisdiction.
ASME BPVC I and ASME B31.1 Code Sections
- Part 122.1: Boiler External Piping
- Part 122.2: Blowoff and Blowdown Piping in Nonboiler External Piping
- Part 122.6: Pressure Relief Piping
- Other important sections of the ASME B31.1 code include:
- Part 122.3: Instrument, Control, and Sampling Piping
- Part 122.5: Pressure-Reducing Valves
- Part 122.11: Steam Trap Piping
- Part 122.13: Pump Discharge Piping
ASME BPVC Boiler Fittings
- Covers materials of construction and installation of many fittings required to ensure the integrity of the boiler proper.
- Includes water columns, water level indicators, pressure gauges, and safety valves.
Power Boilers
- Generate steam or other vapour at a pressure of more than 100 kPa (15 psi).
- Sub-categorized as:
- High-pressure steam boilers
- High-pressure, high-temperature hot water boilers
- Electric boilers
- Miniature boilers
- Organic fluid vaporizers
Heating Boilers
- Generate steam or other vapour at a pressure not exceeding 100 kPa.
- Generate hot water at a pressure not exceeding 1100 kPa or at a temperature not exceeding 120°C.
- ASME BPVC IV rules cover the design and construction of:
- Steam heating boilers
- Hot water heating boilers
- Hot water supply boilers
- Hot water heaters
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This quiz covers the requirements for boiler fittings and registration, including service designations, operating temperature, operating pressure, and material compatibility.