Longitudinal grooves indicate _____ in a weld.
a. concavity
b. internal undercut
c. burn-through
d. insufficient fill
d. insufficient fill
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Which legal process is used to uncover information in the hands of the other party?
What will be an ideal response?
What class of electrical hazard classifications is used to identify combustible dust that can be present in amounts that could produce potentially explosive mixtures?
A. Class I B. Class II C. Class III D. Class IV
Air is located in a piston-cylinder device. Initially, the air is 20oC and the pressure is 200 kPa, while the volume is 0.1 m3.
(a) The air is heated at constant pressure until the volume is 0.3 m3. Determine the heat transfer for the process. (b) For the same initial conditions, use your piston-cylinder device model to generate data, and plot the heat transferred for an isobaric expansion to volumes ranging from 0.15 m3 to 0.50 m3. Given: Air; T1 = 20oC = 293 K; P1 = P2 = P = 200 kPa; V1 = 0.1 m3; V2 = 0.3 m3 Assume: Air behaves as an ideal gas with variable specific heats (expect a large temperature change): R = 0.287 kJ/kg-K; ?KE = ?PE = 0.
The ____, one of the Seven Wonders of the World, was a specialized botanical garden of unique and
exotic plant materials fed by expert hydro-engineering.
a. Alhambra Palace in Spain c. Taj Mahal b. Great Pyramids d. Hanging Gardens of Babylon