One of the Most Efficient Engines Built So Far Has

question 31

Short Answer

One of the most efficient engines built so far has the following characteristics: The combustion chamber temperature is 1900°C, the exhaust temperature = 430°C, 7.0 × 10⁹ cal of fuel produces 1.4 × 10¹⁰ J of work in one hour. (1 cal = 4.186 J)
(a) What is the actual efficiency of this engine?
(b) What is the power output of this engine?
(c) What would be the maximum possible efficiency for an engine using the same temperature extremes?

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Definitions:

Bandwidth

The maximum rate of data transfer across a given path or connection in a specified period, typically measured in bits per second (bps).

Fiber-Optic

Technology that uses glass or plastic fibers to transmit data at high speeds using light.

Glass

A hard, brittle substance, typically transparent or translucent, made by fusing sand with soda, lime, and sometimes other ingredients and cooling rapidly.

Coaxial

A type of electrical cable that has an inner conductor surrounded by a tubular insulating layer, surrounded by a tubular conducting shield, often used for transmitting television signals and internet connections.