What's the advantage of atmospheric gas (argon/carbon dioxide/nitrogen) over halogenated gases for fire suppression in a computer room?
A) Uses less gas per volume of space.
B) Has zero ODP and GWP.
C) Is much more effective at deep seated fires.
B) Has zero ODP and GWP.
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Sketch a typical head-of-wall detail for a non-fire -rated interior drywall partition under a steel floor deck. The partition is parallel to deck flutes.
What will be an ideal response?
Which two compounds are necessary for the formation of photochemical smog?
A. nitrogen and oxygen B. NOx and HC C. sulfur and carbon dioxide D. H2O and SO2
By resting the edges of the cup lightly on the groove face when walking the cup, the cup has _____ points of contact.? ?
A. two? B. three? C. four? D. zero?
____ ice is normally made in a vertical refrigerated cylinder surrounded by the evaporator on the outside.
A. Solid B. Cube C. Flake D. Chip