Engineering, 21.05.2020 01:07 pokry3225
The major difference between open- and closed-die forging without flash is: a. closed-die forging is only suitable for powder metals b. open-die forging is better appropriate for large, intricate parts and long production runs c. as a subsequent process, open-die forging is better suited for sand casting than die casting d. in closed-die forging the shape and size of the workpiece are determined by those of the dies e. none of the above
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Engineering, 04.07.2019 18:10
Steel is coated with a thin layer of ceramic to protect against corrosion. what do you expect to happen to the coating when the temperature of the steel is increased significantly? explain.
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Engineering, 04.07.2019 18:10
Acompressor receives the shaft work to decrease the pressure of the fluid. a)- true b)- false
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Engineering, 04.07.2019 18:10
Apipe with an outside diameter of 15 cm is exposed to an ambient air and surrounding temperature of -20ยฐc. the pipe has an outer surface temperature of 65ยฐc and an emissivity of 0.85. if the rate of heat loss from the pipe surface is 0.95 kw per meter of length, the external convective heat transfer coefficient (h) is: (a) 12.5 w/m"k (b) 18.6 w/mk (c) 23.7 w/mk (d) 27.9 w/mk (e) 33.5 w/mk
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Engineering, 04.07.2019 18:20
Inadequate stores control is not an obstacle to effective work order system. (clo4) a)-true b)-false
Answers: 3
The major difference between open- and closed-die forging without flash is: a. closed-die forging is...
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