Choose the set of pressure intensities that are equivalent ?
Correct answer: A. 4.33 psi, 10 ft. of water, 8.83 inches of Hg
- A. 4.33 psi, 10 ft. of water, 8.83 inches of Hg
- B. 4.33 psi, 10 ft. of water, 20.7 inches of Hg
- C. 10 psi, 19.7 ft. of water, 23.3 inches of Hg
- D. 10 psi, 19.7 ft. of water, 5.3 inches of Hg
Explanation
Using 1 psi approximately equal to 2.31 ft of water, 4.33 psi gives about 10 ft of water; dividing the water head by the specific-gravity ratio of mercury, 13.6, gives about 8.83 in of Hg. Therefore all three pressures in option a are equivalent.
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