Can you think of a contemporary industry or profession that employs craft production principles? (a) what are the strengths of this industry or profession? b) what are the weaknesses? c) what are the biggest threats it faces? (d) what do you think this industry or profession needs to do to improve?

The higher the astm grain-size number, the coarser the grain is. a)-true b)-false

Agas is compressed from vi 0.3 m, p 1 bar to of v2 0.1 m3, p2--3 bar. pressure and volume are related linearly during the process. for the gas, find the work, in kj.

Air enters a horizontal, constant-diameter heating duct operating at steady state at 290 k, 1 bar, with a volumetric flow rate of 0.25 m°/s, and exits at 325 k, 0.95 bar. the flow area is 0.04 m2. assuming the ideal gas model with k = 1.4 for the air, determine (a) the velocity at the inlet and exit, each in m/s, and (c) the rate of heat transfer, in kw flow rate, in kg/s, (b) the mass kg 0.3