Engineering, 22.10.2020 15:01 ashtonrieper2721
When a jet strikes an inclined fixed plate, as in Figure, it breaks into two jets at 2 and 3 of equal velocity V = Vjet, but unequal fluxes.αQ at section 2 and (1 —α) Q at section 3, αbeing a fraction. The reason is that for frictionless flow thefluid can exert no tangential force Fton the plate. The condition Ft= 0 enables us to solve for α. Perform this analysis, andfind αas a function of the plate angle θ. Whydoesn’t the answer depend upon the properties of the jet?
Answers: 2
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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Fluids at rest possess no flow energy. a)- true b)- false
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Engineering, 04.07.2019 18:10
Awall of 0.5m thickness is to be constructed from a material which has average thermal conductivity of 1.4 w/mk. the wall is to be insulated with a material having an average thermal conductivity of 0.35 w/mk so that heat loss per square meter shall not exceed 1450 w. assume inner wall surface temperature of 1200°c and outer surface temperature of the insulation to be 15°c. calculate the thickness of insulation required.
Answers: 3
Engineering, 04.07.2019 19:10
When subject to a steady load (within elastic range) over a long period of time, what is the major difference in material behavoir between steel and plastic?
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When a jet strikes an inclined fixed plate, as in Figure, it breaks into two jets at 2 and 3 of equa...
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