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According to the text, which code provides guidelines for the layout of combustion safety components, especially those found on boilers?
According to the text, which code provides guidelines for the layout of combustion safety components, especially those found on boilers?
- CSA B149.1 code
- ASME code
- NFPA code
- CSA B149.3 code (correct)
Why does Figure 1 differ from other fuel trains shown in the PanGlobal Fourth Class text?
Why does Figure 1 differ from other fuel trains shown in the PanGlobal Fourth Class text?
- Due to compliance with different approval standards
- Due to changes in the fuel pressure and firing capacity (correct)
- Due to the use of propane instead of natural gas
- Due to modifications in the boiler construction
What is the purpose of CSA B149.3 Code mentioned in the text?
What is the purpose of CSA B149.3 Code mentioned in the text?
- To provide guidelines for natural gas and propane burners installation (correct)
- To mandate the construction and design of larger capacity burners
- To regulate the certification of existing burners
- To cover appliances constructed and designed to meet an approved standard
Which organizations mandate the existence of safety components for burner systems?
Which organizations mandate the existence of safety components for burner systems?
In what scenarios does CSA B149.3 Code apply, according to the text?
In what scenarios does CSA B149.3 Code apply, according to the text?
Why do fuel trains shown in the PanGlobal Fourth Class text differ from each other?
Why do fuel trains shown in the PanGlobal Fourth Class text differ from each other?
What is the purpose of preheating the fuel mentioned in the text?
What is the purpose of preheating the fuel mentioned in the text?
Why is poor atomization of the fuel a concern?
Why is poor atomization of the fuel a concern?
What is the function of the low oil temperature cut-off?
What is the function of the low oil temperature cut-off?
Why is it essential to supervise the atomizing media pressure for a steam or air atomized burner?
Why is it essential to supervise the atomizing media pressure for a steam or air atomized burner?
What is the consequence of atomizing media pressure falling below the manufacturer’s design pressure for a steam or air atomized burner?
What is the consequence of atomizing media pressure falling below the manufacturer’s design pressure for a steam or air atomized burner?
Why is it important for a fuel to be properly atomized by the burner?
Why is it important for a fuel to be properly atomized by the burner?
What is the purpose of the fuel strainer (B) in the natural gas fuel train for boilers over 3000 kW output?
What is the purpose of the fuel strainer (B) in the natural gas fuel train for boilers over 3000 kW output?
What role do the pressure relief valves (D) serve in the natural gas fuel train for boilers over 3000 kW output?
What role do the pressure relief valves (D) serve in the natural gas fuel train for boilers over 3000 kW output?
Where should a low gas pressure safety device be installed for appliances with inputs in excess of 120 kW?
Where should a low gas pressure safety device be installed for appliances with inputs in excess of 120 kW?
What is the purpose of a high gas pressure safety device according to CSA B149.3?
What is the purpose of a high gas pressure safety device according to CSA B149.3?
What is a requirement for main fuel safety shut-off valves (SSOVs) according to CSA B149.3?
What is a requirement for main fuel safety shut-off valves (SSOVs) according to CSA B149.3?
Where is a high gas pressure cut-off switch (HGPCO) typically located in a natural gas fuel train for boilers over 3000 kW output?
Where is a high gas pressure cut-off switch (HGPCO) typically located in a natural gas fuel train for boilers over 3000 kW output?
What is the purpose of the safety vent valve in a fuel train system?
What is the purpose of the safety vent valve in a fuel train system?
Why are safety vent valves typically fast-acting and normally-open solenoid valves?
Why are safety vent valves typically fast-acting and normally-open solenoid valves?
What is the function of the inlet flow control valve in a fuel train system with fully modulating burners?
What is the function of the inlet flow control valve in a fuel train system with fully modulating burners?
Why is the firing rate control valve placed downstream of the low gas pressure cut-off switch?
Why is the firing rate control valve placed downstream of the low gas pressure cut-off switch?
What is the purpose of test firing valves in a fuel train system?
What is the purpose of test firing valves in a fuel train system?
Why do pilot safety shut-off valves usually not have proof of closure according to the text?
Why do pilot safety shut-off valves usually not have proof of closure according to the text?
What is the purpose of fuel pressure test ports in a fuel train system?
What is the purpose of fuel pressure test ports in a fuel train system?
What unique components might be found in a fuel oil train that are not typically used in a fuel gas train?
What unique components might be found in a fuel oil train that are not typically used in a fuel gas train?
What is the purpose of a fuel filter in an oil fuel train?
What is the purpose of a fuel filter in an oil fuel train?
Why must oil trains have fuel pumps?
Why must oil trains have fuel pumps?
What is the function of the low oil temperature cut-off switch?
What is the function of the low oil temperature cut-off switch?
What is the purpose of ASME CSD-1 Controls and Safety Devices for Automatically Fired Boilers mentioned in the text?
What is the purpose of ASME CSD-1 Controls and Safety Devices for Automatically Fired Boilers mentioned in the text?
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