All the criteria below are used by the EPA to determine if a substance can be called "used oil," EXCEPT ________
A) Contaminants B) Color C) Origin D) Use
B
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Penstock piping of length 382.4 ft. is needed to supply a low-head hydro system. Piping of length 156.6 ft. is on hand. How many ft. of piping are still needed??
Fill in the blank(s) with the appropriate word(s).
What kind of preparation is shown in Figure 4?
a. U-groove
b. Double Flange
c. Double Flare
d. Double J
e. Round
The tool MOST-Likely designed to reduce normal exhaust emissions is:
A. pyrometer B. catalytic converter C. charcoal canister D. thermistor
Match each item with a statement below.
A. Thermal or sound insulation material, made of fiberglass, mineral wool, or cotton, which comes in varying widths and thicknesses to conform to standard framing of walls and joists. B. The material itself does not allow air to pass through it. C. Typically a plastic or spun-fiber polyethylene textile material. D. Made primarily of recycled newsprint, chemically treated to resist fire, mold, and pests. E. In wood frame structures, it must be kept dry to both maintain its R-value and to protect the building from mold and rot. F. Eliminates most or all of the framing members that create thermal bridges and reduce the amount of insulation in wall, ceiling, or floor structure.