What are the two major categories of career opportunities in energy in the United States?
What will be an ideal response?
Oil and natural gas.
Coal, nuclear energy, and steel industries.
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A(n) ____________________ weld symbol can be applied to the reference line to denote either an arrow side or other side significance.
Fill in the blank(s) with the appropriate word(s).
Blue Whale Moving and Storage recently purchased a warehouse building in Santiago. The manager has two good options for moving pallets of stored goods in and around the facility. Alternative 1 includes a 4000-pound capacity, electric forklift (P = $?30,000; n = 12 years; AOC = $?1000 per year; S = $8000), and 500 new pallets at $10 each. The forklift operator’s annual salary and indirect benefits are estimated at $32,000. Alternative 2 involves the use of two electric pallet movers (“walkies”) each with a 3000-pound capacity (for each mover, P = $?2000; n = 4 years; AOC = $?150 per year; no salvage) and 800 pallets at $10 each. The two operators’ salaries and benefits will total $55,000 per year. For both options, new pallets are purchased now and every 2 years
that the equipment is in use. (a) If the MARR is 8% per year, select the better alternative. (b) Rework using a spreadsheet solution. What will be an ideal response?
Removing CO2 out the atmosphere by incorporating it into plants is called:
A. air quality improvement project. B. carbon sequestering. C. CO2 depletion project. D. carbon sequentialling.
The formula for calculating the CFM needed to produce an air change is
A) CFM = (floor area × ceiling height) / 8 B) CFM = (floor area × ceiling height) / 60 C) CFM = floor area × ceiling height D) CFM = (floor area × ceiling height) / 12