Engineering, 22.02.2020 04:36, g0606997
A horizontal steel pipe having a diameter of 5 cm is maintained at a temperature of 50oC in a large room where the air (h = 6.5 W/m2.oC) and wall temperature are at 20oC. The surface emissivity of the steel may be taken as 0.8. Calculate the total heat lost by the pipe per unit length.
Answers: 3
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The mass flow rate of the fluid remains constant in all steady flow process. a)- true b)- false
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Calculate the bore of a cylinder that has a stroke of 18 inches and an extension time of 6 seconds at a flow rate of 4 gal/min.
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Engineering, 04.07.2019 18:10, 0436500
Aturning operation is performed with following conditions: rake angle of 12°, a feed of 0.35 mm/rev, and a depth of cut of 1.1 mm. the work piece is aluminum alloy 6061 with t6 heat treatment (a16061-t6). the resultant chip thickness was measured to be 1.0 mm. estimate the cutting force, fc. use shear stress of 207 mpa and coefficient of friction on the tool face of 0.6.
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A horizontal steel pipe having a diameter of 5 cm is maintained at a temperature of 50oC in a large...
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