An air compressor in Albuquerque with an 8-gallon tank is initially at atmospheric pressure (12.2 psia, zero gauge pressure) and 60°F. The compressor is turned on and the tank gauge pressure is elevated to 120 psig. At the end of the pumping interval the air in the tank is at 120°F. a) How much air (lb mass) was added to the tank? b) What will the gauge pressure be in the tank after it cools back down to 60°F.

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Applied Fluid Mechanics

A fluid is a substance that is continuously deformed by the application of shear stress. The rate of deformation of a fluid depends on its viscosity. The fluid tries to flow when it interacts with some other system.