A small portable cylindrical pressure tank has inside dimensions of 13 inches (dia) and 33 inches end to end. The maximum recommended safety pressure at 70°F is 200 psi. The device has a safety release value set at 250 psi. Pv = RT Pressure, P, lbf/ft2 Specific Volume, v ? ft3/lbm Gas constant for air, Rair = 53.33 ft•lbf/lbm°R Temperature, T ? °R Answer the following question. Determine the inside volume of the pressure tank in ft3. The inside volume of the pressure tank in ft3 is