If the velocity of air through an 8" x 20" duct is 700 fpm, how many cfm of air is being carried by the duct?
What will be an ideal response?
(8" x 20" / 144) ยด 700 fpm = 778 cfm
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Fill in the blank(s) with the appropriate word(s).
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Speeds of automobiles on a certain stretch of freeway at 11:00PM are normally distributed with mean 65 mph. Twenty percent of the cars are traveling at speeds between 55 and 65 mph. What percentage of the cars are going faster than 75 mph?
What will be an ideal response?
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