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Work per second by engine

A 4-cylinder gasoline engine has an efficiency of 0.230 and delivers 205 J of work per cycle per cylinder. When the engine fires at 23.3 cycles per second, what is the work done per second?

Solution Preview

As the engine consist of 4 cylinders, the work per cycle is given by,

W = 205 * 4 = 820 Joules/cycle

Number of cycles per second = 23.3 cycles in one second, given

So ...

Solution Summary

This solution calculates the work done per second by 4-cylinder gasoline engine.