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Related Flashcards
Cards In This Set
| Front | Back |
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Four Phases of the basic steam cycle?
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Generation, Expansion, Condensation And Feed
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Who sets boiler safety valves?
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NAVSEA
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What is the difference between a safety valve and a relief valve?
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A safety valve opens completely at a specified pressure and reseat at 3 to 6 percent below actual lift pressure, while a relief valve opens slightly at a specified pressure and reseat at the same pressure.
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What set of boiler tubes protects the superheater?
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Screenwall Tubes
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The supereheater is protected from what type of heat?
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Direct Radiant Heat
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What preheats incoming feedwater 100-200 degrees?
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Economizer
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What is the purpose of SSD?
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Installed on burner
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What is the prupose of the MFP?
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Use to increase Feed water pressure 150-2-- PSI above steam
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Why do we get heavy black smoke and how any minutes to secure?
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Must be secured in two minutes
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Why do we get white smoke and how many minutes to secure?
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Must be secured in one minute
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What would you use to secure all fuel flowing to an applicable boiler?
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Fuel Oil Quick Closing Valve
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What would you use to secure one or two boilers?
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Safety Shut Off Drive
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What is a furnace purge and what is used to conduct one?
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A safety procedure used to force combustion air through an idle boiler, ridding the firebox and uptakes of explosive vapors.
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What type of aatomization are you going to use if you are the first boiler to light off?
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Air Atomization
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What type of atomization are you going to use after you light off?
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Steam Atomization
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