Currently, the ____ project, a joint effort of experts from industry, academia, and government, is working to standardize UNIX.
A. POSIX
B. BSD
C. ANSI
D. Ubuntu
Answer: A
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?Which plastics has no known brittle point?
A. ?acrylic B. ?epoxy C. ?PVC D. ?ABS
What is the difference between voltage and current?
What will be an ideal response?
While very effective at removing small contaminants, HEPA filters are not used in residential applications because of what reason?
A) They cause a high pressure drop in the duct. B) Extremely high cost C) Low efficiency D) Not available in home centers
A conductive heat transfer of 15 W is applied to a metal bar whose length is 0.50- m. The hot end of the bar is at 80oC. Determine the temperature at the other end of the bar for (a) a copper bar (? = 401 W/m-K) with a cross-sectional area of 0.0005 m2, (b) a copper bar (? = 401 W/m-K) with a cross-sectional area of 0.005 m2, and (c) a zinc bar (? = 116 W/m-K) with a cross-sectional area of 0.005 m2.
Given: Q?cond=150 W; ?x = 0.50 m; T1 = 80°C What will be an ideal response?