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In the formula IP=\(\frac{plAn}{60}\), what does ‘n’ represent?

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In the formula IP=\(\frac{plAn}{60}\), what does ‘n’ represent?

(a) RPM of the engine

(b) Number of working strokes

(c) Area of cylinder

(d) Pressure

I had been asked this question during an online exam.

My question is taken from IC Engine topic in chapter Design of IC Engine Components of Automotive Engine Design

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The correct option is (b) Number of working strokes

Easiest explanation: ‘n’ represents the number of working strokes, RPM is denoted by ‘N’, Area is denoted by ‘A’ and pressure is denoted by ‘Pm’.

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