Which of the following fires would constitute a Class B fire?
A) Involving combustible metals, such as magnesium.
B) Involving wood, cloth, paper, rubber, and many plastics.
C) Involving flammable liquids, oils, greases, tars and flammable gases.
D) Involving energized electrical equipment.
C) Involving flammable liquids, oils, greases, tars and flammable gases.
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____________________ is a wiring system that may be used under carpet squares on solid, smooth, and continuous floor surfaces.
Fill in the blank(s) with the appropriate word(s).
Which of the following are rigid, three dimensional structures that have thinner components as compared to other structural material dimensions?
A. Trusses B. Rigid frames C. Space frames D. Shell structures
The ENERGY STAR® label is awarded to packaged air-to-air units with EERs of ________ or greater, SEERs of ________ or greater, and HSPFs of ________ or greater
A) EER 12, SEER 16, HSPF 8 B) EER 10, SEER 13, HSPF 7.7 C) EER 11, SEER 14, HSPF 8 D) EER 16, SEER 22, HSPF 13
The desired floor temperature for a radiant floor heating system is __________ degrees.
A. 75 B. 85 C. 95 D. 105