Temperature of the high-temperature reservoir
A Carnot engine whose low-temperature reservoir is at 19.7°C has an efficiency of 26.8%. By how much should the Celsius temperature of the high-temperature reservoir be increased to increase the efficiency to 68.6%?
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Mind Blowers, Inc. has a new project in mind that will increase accounts receivable by $28,000, decrease accounts payable by $6,000, increase fixed assets by $36,000, and decrease inventory by $11,000.
Ethanol (C2H5OH) is burned with air in a SIE with a fuel-rich mixture. Consider MON = 89 and RON = 107 for this fuel. Determine Anti-knock index (AKI) and fuel sensitivity (FS) of this fuel.
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Two lb of water vapor in a piston cylinder assembly is compressed at a constant pressure of of 250 lbf/in^2 from a volume of 6.88 ft^3 to a saturated vapor state.
If the heat pump were a Carnot heat pump (a Carnot engine working in reverse), how much energy would be transferred as heat to the room for each joule of electric energy consumed?
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Hot Wings, Inc., has an odd dividend policy. The company has just paid a dividend of $4 per share and has announced that it will increase the dividend by $5 per share for each of the next four years, and then never pay another dividend.
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