Engineering, 20.07.2019 02:30 jhar9500
The crankcase of an automobile is approximately 30in. long, 12 in. wide, and 4 in deep. assuming that the surface temperature of the crankcase is 160 °f, estimate the rate of heat flow from the crankcase to atmospheric air at 40 °f at a road peed of 60 mph. neglect radiation and use for the front and rear surfaces the same average convective heat transfer coefficient as for the bottom and sides.
Answers: 1
Engineering, 03.07.2019 14:10
The y form of iron is known as: a) ferrite b) cementite c) perlite d) austenite
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Engineering, 03.07.2019 14:10
If the thermal strain developed in polyimide film during deposition is given as 0.0044. assume room temperature is kept at 17.3 c, and thermal coefficient of expansion for the film and the substrate are 54 x 10^-6c^-1 and 3.3 x 10^-6c^-1respectively. calculate the deposition temperature.
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The higher the astm grain-size number, the coarser the grain is. a)-true b)-false
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Engineering, 04.07.2019 18:20
Steam enters a converging nozzle at 3.0 mpa and 500°c with a at 1.8 mpa. for a nozzle exit area of 32 cm2, determine the exit velocity, mass flow rate, and exit mach number if the nozzle: negligible velocity, and it exits (a) is isentropic (b) has an efficiency of 94 percent
Answers: 2
The crankcase of an automobile is approximately 30in. long, 12 in. wide, and 4 in deep. assuming tha...
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