One of the Most Efficient Engines Built So Far Has

question 41

Essay

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.
(a) What is the actual efficiency of this engine?
(b) What is the Carnot efficiency of the engine?
(c) What is the power output, in hp, of this engine?

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Definitions:

Diluted

Refers to a solution that has had solvent added to decrease the concentration of solutes, making it less potent.

Molarity

A unit of concentration indicating the number of moles of a solute dissolved in one liter of solution, often used in chemical solutions for its precision.

Diluted

Refers to a solution that has had its concentration of solute reduced, typically by adding more solvent.

Molarity

A measure of concentration expressed as the number of moles of a solute per liter of solution.