What is the purpose of the wetted media in an evaporative cooling system?
A) Water is moved across the wetted media to pretreat the air.
B) Ammonia is moved across the wetted media.
C) Water is absorbed by the wetted media to increase air temperature.
D) Water evaporates from the wetted media, reducing the air temperature.
D
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When used in control cable, which of the following must be grounded in order to be effective?
a. Drain wires b. Crimp connectors c. Conductors d. Screw terminals
Knot means nautical miles per hour. One nautical mile = 1.1515 land miles. One land mile = 0.8643 nautical miles. Express a land speed of 75 miles per hour to the nearest knot.
A. 63 B. 64 C. 65 D. 66
Consider a cold canned drink left on a dinner table. Would you model the heat transfer to the drink as one-, two-, or three-dimensional? Would the heat transfer be steady or transient? Also, which coordinate system would you use to analyze this heat transfer problem, and where would you place the origin? Explain.
What will be an ideal response?
A cutting plane line is shown completely through the object, passing through offset features of the object. The section on the drawing is a(n) ____.
A. full section B. half section C. aligned section D. removed section E. none of the above