Engineering, 18.03.2021 01:00, jediDR
What does it mean to say that the Department of Labor’s National Center for O*NET Development developed its own taxonomic standards for identifying the green economy? (Select all that apply.)
DOL O*NET focused on specific activities to develop a particular idea of the green economy.
DOL O*NET developed its own working definition for what constitutes the green economy.
DOL O*NET connected popular ideas of green activities with actual current practice.
DOL O*NET looked for ways to back up typical green marketing claims with facts and specifics.
Answers: 3
Engineering, 04.07.2019 18:10, DestyHilBan1183
Adouble-strand no. 60 roller chain is used to transmit power between a 13-tooth driving sprocket rotating at 300 rev/min and a 52-tooth driven sprocket. a) what is the allowable horsepower of this drive? b) estimate the center-to-center distance if the chain length is 82 pitches. c) estimate the torque and bending force on the driving shaft by the chain if the actual horsepower transmitted is 30 percent less than the corrected (allowable) power.
Answers: 3
Engineering, 04.07.2019 18:20, miguel454545
Along 8-cm diameter steam pipe whose external surface temperature is 900c connects two buildings. the pipe is exposed to ambient air at 70c with a wind speed of 50 km/hr blowing across the pipe. determine the heat loss from the pipe per unit length. (b) air at 500c enters a section of a rectangular duct (15 cm x 20 cm) at an average velocity of 7 m/s. if the walls of the duct are maintained at 100c. a) the length of the tube for an exit temperature of the air to be 40 0c. b)the rate of heat transfer from the air. c) the fan power needed to overcome the pressure drop in this section of the duct.
Answers: 1
What does it mean to say that the Department of Labor’s National Center for O*NET Development develo...
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