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Questions and Answers
What is the purpose of coating some gaskets with a graphite paste?
What is the purpose of coating some gaskets with a graphite paste?
Why is it important to slowly dry out new refractory before raising the furnace to normal operating temperature?
Why is it important to slowly dry out new refractory before raising the furnace to normal operating temperature?
What is the purpose of performing a boil out on a new boiler?
What is the purpose of performing a boil out on a new boiler?
When should safety valves be tested for operation on a new or restarted boiler?
When should safety valves be tested for operation on a new or restarted boiler?
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Why is it recommended to perform a dry run of combustion controls before placing the fuel and air systems into service?
Why is it recommended to perform a dry run of combustion controls before placing the fuel and air systems into service?
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What should be done when testing safety valves as the steam pressure rises in a new or restarted boiler?
What should be done when testing safety valves as the steam pressure rises in a new or restarted boiler?
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What is the purpose of inspecting the boiler internally before closing it up?
What is the purpose of inspecting the boiler internally before closing it up?
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Why is it important to check off all tools that have been taken into a water tube of a watertube boiler?
Why is it important to check off all tools that have been taken into a water tube of a watertube boiler?
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What should be done with work permits before proceeding to close up the boiler?
What should be done with work permits before proceeding to close up the boiler?
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What must be checked before closing up the boiler after furnace refractory work has been done?
What must be checked before closing up the boiler after furnace refractory work has been done?
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Why is it necessary to ensure that all lockout tags have been returned before closing up the boiler?
Why is it necessary to ensure that all lockout tags have been returned before closing up the boiler?
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What is the purpose of performing operational testing on all safety and control devices when starting a boiler plant after a major outage?
What is the purpose of performing operational testing on all safety and control devices when starting a boiler plant after a major outage?
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What should be at minimum position during the low fire start period?
What should be at minimum position during the low fire start period?
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What occurs if a safety shutdown and lockout occurs within 4 seconds during the pilot trial for ignition period?
What occurs if a safety shutdown and lockout occurs within 4 seconds during the pilot trial for ignition period?
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What should be observed after successfully completing two cycles of testing and restarting the boiler following the post-purge period?
What should be observed after successfully completing two cycles of testing and restarting the boiler following the post-purge period?
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When should the low water cut-off test be run?
When should the low water cut-off test be run?
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What does the high steam pressure cut-out test prove?
What does the high steam pressure cut-out test prove?
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What is the purpose of the low water flow cut-off test for forced-flow hot water boilers?
What is the purpose of the low water flow cut-off test for forced-flow hot water boilers?
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What does the combustion air proving switch test for mechanical draft boilers prove?
What does the combustion air proving switch test for mechanical draft boilers prove?
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What do flame detection devices monitor for in the boiler furnace?
What do flame detection devices monitor for in the boiler furnace?
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