Determine the density of air at the exit

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1. Air at 4.18 kg/m³ enters a nozzle that has an inletto-exit area ratio of 2:1 with a velocity of 120 m/s and leaves with a velocity of 380 m/s. Determine the density of air at the exit.

2. An air compressor compresses 15 L/s of air at 120 kPa and 208C to 800 kPa and 300°C while consuming 6.2 kW of power. How much of this power is being used to increase the pressure of the air versus the power needed to move the fluid through the compressor?

Reference no: EM131276276

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