Is concrete cover required in concrete foundations although a foundation is not exposed to the outside environment?
What will be an ideal response?
Yes. A concrete foundation is exposed to the soil. The water in soil is corrosive to steel.
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The volume of gas varies inversely with the absolute pressure, provided the temperature remains constant. This is called ____.
A. Charles' Law B. Tom's Law C. Boyle's Law D. Dalton's Law
List the advantages of using preformed parts.
What will be an ideal response?
What shape is the boll of the cotton plant?
a. Round c. Football-shaped b. X-shaped d. Y-shaped
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?