Engineering, 25.12.2019 02:31 lizbethmillanvazquez
Along, hemicylindrical (1-m radius) shaped furnace used to heat treat sheet metal products is comprised of three zones.
the heating zone (1) is constructed from a ceramic plate of emissivity 0.85 and is operated at 1600 k by gas burners.
the load zone (2) consists of sheet metal products.
the refractory zone (3) is fabricated from insulating bricks having an emissivity of 0.6.
assuming steady-state conditions, diffuse, gray surfaces, and negligible convection, determine the temperature of the insulating brick surface. submit your answer in k (enter numerical value only without units).
Answers: 3
Engineering, 04.07.2019 18:10, niyawilliams23
Asingle-geared blanking press has a stroke of 200 mm and a rated capacity of 320 kn. a cam driven ram is assumed to be capable of delivering the full press load at constant force during the last 15 percent of a constant-velocity stroke. the camshaft has an average speed of 90 rev/min and is geared to the flywheel shaft at a 6: 1 ratio. the total work done is to include an allowance of 16 percent for friction a) estimate the maximum energy fluctuation b) find the rim weight for an effective diameter of 1.2 m and a coefficient of speed fluctuation of 0.10
Answers: 1
Engineering, 04.07.2019 18:10, Candi9697
A-mn has a cubic structure with a0 0.8931 nm and a density of 7.47 g/cm3. b-mn has a different cubic structure, with a0 0.6326 nm and a density of 7.26 g/cm3. the atomic weight of manganese is 54.938 g/mol and the atomic radius is 0.112 nm. determine the percent volume change that would occur if a-mn transforms to b-mn.
Answers: 2
Along, hemicylindrical (1-m radius) shaped furnace used to heat treat sheet metal products is compri...
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