What is subcooling?
A) Lowering liquid refrigerant temperature below its saturation temperature
B) Lowering refrigerant temperature by flashing some of it off to a gas, cooling the remaining liquid
C) Lowering refrigerant temperature below freezing
D) Lowering refrigerant temperature below 0°F
A
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What is the reason that OEMs specify greater valve lash for exhaust valves?
A. run hotter B. run cooler C. shorter than intake valves D. longer than intake valves
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?
You can use three modifiers with int data types: short, long, and ____.
A. scalar B. unsigned C. array D. double
What is the color code of the oxygen system?
A. green B. red C. black D. blue