Describe two disadvantages of SAR respirators.
What will be an ideal response?
It impairs worker mobility, danger of puncturing the airline, and requires workers to retrace their steps when leaving an area.
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If the mass of a coin is 2.5 g, how much work does it take to carry it from ground level to the top of a 300 m tall skyscraper?
A. 7.4 J B. 7400 J C. -7.4 J D. -7400 J E. 0 J
Levels of obedience training for dogs include
A. Puppy class B. Beginning obedience/open obedience C. Intermediate novice/competitive novice D. Utility obedience E. All of the above
Planting is typically added to a drawing using blocks from third-party vendors.
Answer the following statement true (T) or false (F)
Answer the following statement(s) true (T) or false (F)
1. Although space heating is the primary load, hydronic systems can also provide heat to other auxiliary loads. Examples include domestic water heating, garage heating, pool or spa heating, and snow melting. 2. Domestic hot water (DHW) is by far the most common auxiliary load to be combined with hydronic space heating. 3. An indirect water heater is an insulated storage tank that produces its own heat, as does a typical direct-fired water heater. 4. For garage heating, radiant slab heating is the least efficient in situations where a relatively constant temperature will be maintained. 5. The author's position is that antifreeze must be used in all hydronic garage heating applications.