A wall assembly (total area = 100 ft2) consists of 80 ft2 of opaque wall with an R-value of R-20 and a 20 ft2 of window whose R-value is R-2. The effective (overall) R-value of the entire wall assembly is approximately
A) R-3.
B) R-11.
C) R-7.
D) R-15.
E) none of the above.
C) R-7.
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A movie source generates a set of 1080p HD digital image files, each file composed of 1920 x 1080 picture elements (pixels), with each pixel specified with three bytes of information. When the source produces 30 images per second, its raw (uncoded) data rate equals _____ (x.xx10y ) bps.
Fill in the blank(s) with the appropriate word(s).
A hand is a measurement in the horse industry equal to _____
A) 3 inches B) 4 inches C) 6 inches D) 8 inches
When General Motors Corporation constructed a new high tech facility in Kansas City to
replace its old assembly plant, many of the older workers took early retirement rather than move over to the new plant. The most probable reason for such employee resistance to change is
a. uncertainty. b. threatened self-interests. c. different perceptions. d. feelings of loss. e. facilitation.
What is the recommended location to store a HEV ignition key during service?
A) Lock box B) In the vehicle glove box C) Leave the key in the ignition D) Top of the technician's tool box