What is the purpose of a fire damper?
What will be an ideal response?
In the event of a fire, fire dampers will automatically close, sealing off the duct to prevent the spread of smoke and fire throughout the building.
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El cable tipo _____ es un cable con cubierta no metálica.
a. SIS b. NMS c. SE d. NMSC
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An agriscience technician career requires a college degree
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Another name for a downflow heating unit is ____________________.
Fill in the blank(s) with the appropriate word(s).
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Why is the compressor started in the 2nd part of a triple evacuation?
a. To make sure the nitrogen absorbs any air in the system b. To pull air trapped in the system back into the crankcase. c. To release moisture that may be trapped in the oil.
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