Determine the mean effective pressure in kPa of a certain air -standard Diesel cycle which has a compression ratio of 16 and a cutoff ratio of 2. At the beginning of the compression process, the pressure and temperature of air is at 95,000 Pa and 300K, respectively. Roun-off your answer into two decimal places. hint: Linear Interpolation

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A: GIVEN:*Compression ratio r=19*Cut-off ratio ρ=3*T1=37°C=310 K*P1=100 kPa*HAP=950 kJ/kg   TO…

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Properties of Pure Substances

A substance with fixed chemical composition throughout is called a pure substance like water, air, and nitrogen. A pure substance does not have to be a single element or compound. A mixture of two or more phases of a pure substance is also a pure substance as long as the chemical composition is the same for all phases. These substances mainly have a constant/ uniform composition. The substances also have fixed boiling and melting points. A pure substance takes part in a chemical reaction to form predictable products.