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One of the most efficient engines built so far has the following characteristics:
combustion chamber temperature = 1900°C
exhaust temperature = 430°C
7.0 × 109 cal of fuel produces 1.4 × 1010 J of work in one hour,where 1 cal = 4.19 J
(a)What is the actual efficiency of this engine?
(b)What is the Carnot efficiency of the engine?
(c)What is the power output of this engine?
Lifestyle
The aggregate choices, behaviors, and habits of an individual or group, including living conditions, consumption, entertainment, and social practices.
Human Life Span
The maximum duration of life that human beings are known to live under optimal conditions.
Life Expectancy
The average number of years an individual is expected to live based on demographic factors, such as age, gender, and health conditions.
Aging
refers to the process of becoming older or more mature, involving biological, psychological, and social changes over time.
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