Engineering, 20.08.2019 18:10 ladypink94
The astmd638 is the perfect test to get quick properties to use in mechanical design of plastic parts. a) true b)- false
Answers: 3
Engineering, 04.07.2019 18:10
Thermal stresses are developed in a metal when its a) initial temperature is changed b) final temperature is changed c) density is changed d) thermal deformation is prevented e) expansion is prevented f) contraction is prevented
Answers: 2
Engineering, 04.07.2019 18:10
An ideal otto cycle with air as the working fluid has a compression ratio of 8. the minimum and maximum temperatures in the cycle are 300 k and 1340 k. use constant specific heats at room temperature to determine (a) the amount of heat transferred to the air during the heat- addition kj/kg, (b) the thermal efficiency, and (c) the thermal efficiency of a carnot cycle ope limits. process, in rating between the same temperature
Answers: 2
Engineering, 04.07.2019 18:10
Atmospheric air has a temperature (dry bulb) of 80° f and a wet bulb temperature of 60° f when the barometric pressure is 14.696 psia. determine the specific humidity, grains/lb dry air. a. 11.4 c. 55.8 d. 22.5 b. 44.1
Answers: 1
Engineering, 04.07.2019 18:20
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
The astmd638 is the perfect test to get quick properties to use in mechanical design of plastic part...
History, 22.08.2019 13:10
Biology, 22.08.2019 13:10
Mathematics, 22.08.2019 13:10
Biology, 22.08.2019 13:10
Mathematics, 22.08.2019 13:10
Biology, 22.08.2019 13:10
Mathematics, 22.08.2019 13:10
Social Studies, 22.08.2019 13:10
Mathematics, 22.08.2019 13:10
Mathematics, 22.08.2019 13:10
Mathematics, 22.08.2019 13:10
Health, 22.08.2019 13:10
Mathematics, 22.08.2019 13:10