The term ____________________ indicates the source of heat while the system is operating in the heating mode and the medium that is ultimately being treated.
Fill in the blank(s) with the appropriate word(s).
air to air
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You have been assigned to conduct a site assessment for a lake in Montana. There is a new biofuels plant operating and discharging into the stream that feeds the lake and agriculture around the lake for cattle and switchgrass. You observed high levels of algae floating on the surface of the lake, and the water was highly turbid. You also measured the DO at 1 meter to be 5 mg/L and at a depth of 20 meters the DO was 1.0 mg/L.
a. How would you describe the productivity level of the lake? Explain your reasoning. b. Similar lakes have had threatened Yellowstone Cutthroat Trout populations. But this lake does not. What changes would you suggest be made in managing the lake’s water quality prior to the reintroduction of trout to the lake? What will be an ideal response?
A cloud shape or curly line around a section of a drawing indicates a _____.
a. future section b. revision c. code requirement d. special pipe
In a traditional carpentry apprenticeship program, the total number of OJL hours required is _____.
a. 500 b. 2,000 c. 4,000 d. 8,000
A water pump can fail to provide the proper amount of coolant flow through the cooling system if what has happened?
A) The impeller blades are worn or slipping on the shaft B) The coolant is leaking from the weep hole C) The bearing is noisy D) A bearing failure has caused the shaft to become loose