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Understanding Pressure Hazards and Gas Leaks

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Understanding Pressure Hazards and Gas Leaks

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Questions and Answers

What is the MAIN hazard in a boiler room?

Combustion gases (correct)

Moving machinery

Chemical release

Hot surfaces

What is the purpose of the 'try cocks' on a boiler?

To test the water level in the boiler (correct)

To blow down the water column and gauge glass

To control the steam pressure

To test the flame scanner

What is the purpose of blowing down the water column and gauge glass?

To test the water level

To check the safety valve operation

To control the steam pressure

To remove sediment (correct)

What is the purpose of the spring-loaded pop-off safety valve?

To release steam pressure when it exceeds the MAWP Signup and view all the answers

What is the purpose of the burner controller?

To shut down the fuel supply in case of a flame failure Signup and view all the answers

Why is it important to treat the boiler water?

To prevent corrosion and scale buildup Signup and view all the answers

What must be done to containers that contain hazardous materials?

Labeled, tagged, or marked Signup and view all the answers

How should alterations, retrofits, and repairs be done?

At least as safe as the original construction Signup and view all the answers

What is applied to equipment to prevent injury from energized circuits and equipment operation?

Lockouts and tagouts Signup and view all the answers

What is required in case of an accident in the facility for insurance claims?

Accident Report Signup and view all the answers

What should welding repairs or alterations be in accordance with?

"Repairs and alterations to boilers and pressure vessels by welding" of the NB code Signup and view all the answers

Why should objects be located with adequate space around them according to the text?

For proper operation, inspection, maintenance, and repair Signup and view all the answers

What is one potential cause of gas leaks?

All of the above Signup and view all the answers

Which of the following measures can help control pressure hazards?

All of the above Signup and view all the answers

What is a potential hazard associated with high-temperature water (HTW)?

Extremely serious burns or death from human contact Signup and view all the answers

What are the two most prominent sources of hazards with high-temperature water (HTW)?

Operator error and improper equipment design Signup and view all the answers

How can operator errors be reduced, potentially preventing gas leaks?

By providing proper training and supervision to operators Signup and view all the answers

What is a potential hazard associated with pressurized containers exposed to heat?

Gas compression (aerosol) can occur, posing a risk Signup and view all the answers