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A small special alloy shop received an order for slabs of an experimental superalloy 4 in. wide and 1/2 in. thick. The shop cast ingots 4 × 4 × 12 in. and hot-rolled them in a 12-in.-diameter mill, making reductions of about 5% per pass. On the ?fth pass, the ?rst slab split longitudinally parallel to the rolling plane. The project engineer, the shop foreman, and a consultant met to discuss the problem. The consultant proposed applying forward and back tension during rolling, the project engineer suggested reducing the reduction per pass, and the shop foreman favored higher reductions per pass. With whom would you agree? Explain your reasoning.
A well-insulated vessel is separated into two compartments by a partition. Compartment A contains 2 kg of water at 200C, 5 MPa and compartment B contains 0.983 kg of water at 200C, 0.1 MPa. The partition is removed and the water in both the compartme..
you are swinging your younger sister in a circle of radius .9m. if her mass is 24kg and you arrange it so she makes one
air at 5 bar and 177degc state 1 is expanded through a turbine to 1 bar and 27degc state 2. the mass flow rate of air
The pipe flow experiment deals with fluid flow through a non-circular cross-section “pipe”. Please explain, using supporting equations, how you would calculate the pressure loss during fluid flow between two points along the pipe.
An open wind tunnel with altitude of 1000m has Pin=89,876Pa, Ain=4m^2, T=281.7K, Vin=30m/s and the test section Aout=0.5m^2, Vtest=(X)m/s. R=287J/(Kg*K), density=1.1117kg/m^3 and dynamic viscosity=1.076E-05kg/m-s
A submarine cruising 40 m below the free surface of seawater whose density is 1025 kg/m3. Calculate the increase in the pressure exerted on the submarine when it dives to a depth of 150 m below the free surface in kPa.
a race car c is being tracked via telemetry. the on-board acclerometer records and acceleration level of -.7get.5gen.
A Rankine cycle with reheat operates between 20 kpa & 12.5 Mpa with a reheat occurring at 1.2Mpa. Steam enters both the high and low pressure turbine at 500 C, and the enthalpy of steam at the exit of high and low pressure turbines are 3050 and 2600 ..
an extruded beam has the cross section shown and a uniform wall thikness of 3mm. for a vertical shear of 1.2 kips
a bar of high strength aluminum alloy is 150 mm long and has a circular cross section of diameter 40mm. it is subjected
a transparent rigid sealed container has a volume of 10m3. the upper half of the container holds steam of density 5kgm3
water at 120 f and 60 psia flows through a frac12 diameter pipe at 0.6 lbms and is steadily mixed with 0.2 lbms water
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