Air at 14.7 psia and 85ºF enters a square 1 ft x 1 ft heating duct. If the duct is 80 ft long and has an inside surface temperature of 65ºF, determine (a) hydraulic diameter, (b) convective heat transfer coefficient, and (c) air temperature leaving the duct.
What will be an ideal response?
The hydraulic diameter is
Physics & Space Science
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A. 50000 Mpc B. 100 Mpc C. 500,000 Mpc D. 5000 Mpc E. 1000 Mpc
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Indicate whether the statement is true or false
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Determine the equivalent capacitance of the combination shown when C = 45 ?F.
A. 28 ?F B. 36 ?F C. 52 ?F D. 44 ?F E. 23 ?F
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Which is the middle number in this list?
a. 10 b. 100 c. 10^-1 d. 10^10 e. 10^2
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