ASME BPVC Section I Part PG-67 Quiz

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Questions and Answers

What should be done if the installed safety valve capacity is adequate for the boiler?

The firing rate of the boiler should be determined and adjusted according to manufacturer specifications (correct)
The safety valve should be replaced
The boiler should be immediately shut down
No action is necessary

What can cause a furnace explosion?

Excessive internal pressure
Ignition and explosion of combustible gases within the furnace (correct)
Structural weakening of pressure vessels
Improper installation of safety valves

What action is required in most jurisdictions following a furnace or pressure vessel explosion?

Immediate reporting to the Chief Inspector by telephone or telegraph (correct)
Reporting to the manufacturer only
No action is required
Reporting to local law enforcement only

What does the New Brunswick Boiler and Pressure Vessel Act require after an explosion?

Immediate reporting to the Chief Inspector by telephone or telegraph (D) Signup and view all the answers

Why did the boiler shown in Figure 3 not pass inspection after experiencing a pressure vessel explosion?

There was structural weakening of the pressure vessel (B) Signup and view all the answers

What should be done if an overpressure event occurs in a boiler?

Shut down the boiler, isolate, cool, and drain it, then inform the boiler inspector (B) Signup and view all the answers

What does ASME BPVC Section I Part PG-67 state regarding pressure relief valve capacity for each boiler?

It should discharge all the steam that can be generated by the boiler without allowing the pressure to rise excessively (C) Signup and view all the answers

What is recommended to determine the integrity of the pressure vessel after an overpressure event?

Conduct a thorough internal and external inspection of the vessel (C) Signup and view all the answers

What action should be taken if the pressure relief valve fails to open when boiler pressure reaches the safety valve set point?

Shut down the boiler and address the issue immediately (C) Signup and view all the answers

What is the purpose of performing an accumulation test on the safety valve?

To determine if the safety valve can discharge all the steam that can be generated by the boiler (C) Signup and view all the answers

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