height of mercury column

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
Chapter35: Comfort And Psychrometrics
Section: Chapter Questions
Problem 14RQ: If the fresh-air requirements for the house in question 13 were to be 0.4 air changes per hour, how...
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What height of mercury column is equivalent to a pressure of 74 psig? The density of mercury is 498 lbm/ft3.

 

a.

21.40 ft

 

b.

10.70 ft

 

c.

11.28 ft

 

d.

16.77 ft

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