Which of the following statements is accurate?
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Answer: A. When a company negotiates a ‘friendly’ takeover, it usually appoints a firm of accountants to carry out due diligence on the takeover target.
Explanation
Carnot's theorem proves that all reversible engines operating between identical thermal reservoirs share efficiency. The working fluid inside the cycle does not affect this theoretical maximum efficiency limit. Therefore, any reversible engine working between the exact same temperature limits yields the exact same efficiency. Sadi Carnot established that irreversibilities like friction always reduce engine performance below reversible limits. The efficiency of any reversible engine depends exclusively on the absolute temperatures of the heat reservoirs. This principle forms the cornerstone of the second law of thermodynamics and modern power cycle design.
Engineers use Carnot's theorem to benchmark the performance limits of real internal combustion and steam engines. Power plant efficiency comparisons always reference ideal reversible cycles operating between identical temperatures. Understanding this theorem helps researchers focus on reducing irreversibilities in advanced energy systems. Irreversible engines have different efficiencies because internal losses vary based on friction and design. Rankine and Carnot cycles operate between different temperature limits and heat addition paths, altering efficiency. Petrol and diesel engines operate on different thermodynamic cycles and limits, resulting in varying efficiencies.
- Subject
- Accounting and Finance
- Category
- Auditing
- Topic
- —
- Difficulty
- medium
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