The air in an automobile tire with a volume of 2.60 ft3 is at 70°F and 22 psig. Determine the amount of air that must be added to raise the pressure to the recommended value of 30 psig. Assume the atmospheric pressure to be 14.6 psia and the temperature and the 0.3704 volume to remain constant. The gas constant of air is R₁ = 53.34 ft·lbf lbm-R The amount of air that must be added to raise the pressure is 1 psia 144 lbf/ft² lbm. psia-ft³ lbm-R

The air in an automobile tire with a volume of 2.60 ft3 is at 70°F and 22 psig. Determine the amount of air that must be added to raise the pressure to the recommended value of 30 psig. Assume the atmospheric pressure to be 14.6 psia and the temperature and the 0.3704 volume to remain constant. The gas constant of air is R₁ = 53.34 ft·lbf lbm-R The amount of air that must be added to raise the pressure is 1 psia 144 lbf/ft² lbm. psia-ft³ lbm-R

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter1: Heat, Temperature, And Pressure

Section: Chapter Questions

Problem 6RQ: One British thermal unit will raise the temperature of _____ 1b of water _____F.

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