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1. For a piece of material, the steady state flow of material across its thickness is 180 x 10-3 kg/m2-hr. If the concentration on the high side of the material is 2.0 kg/m3 and is 0.22 kg/m3 on the low side of the material, calculate the thickness of the material. D = 1.03 x 10-10 m2/sec.
2. Calculate the dimensions of the indentation in a metal with a Vickers Hardness (HV) number of 525 caused by an applied load of 925 kg.
3. Calculate the engineering strain for a beam of stainless steel under tensile stress with an original length of 7.85 inches and a gage length of 9.66 inches.
4. Eight moles of solid SiO occupies a cube which measures 2.25 inches on each side. Calculate the density of SiO in g/cm3.
5. A 70 wt% Cu - 30 wt% Zn alloy rod with a manufactured length of 12 mm has been elongated to 13.5 mm. Determine the hardness and tensile strength of the elongated rod.
6. What is the minimum manganese content in a Fe-Mn-0.05 alloy in order for the alloy to have a Charpy V-notch impact energy of at least 50 joules at 0C.
7. Calculate the fraction of a 100 KeV x-ray beam remaining after it is transmitted through a 7.5 mm thick plate of iron.
consider a one-dimensional plane wall with constant properties and uniform internal generation qdot. the left face is
A current carrying 10 gauge (.1013-in dia) copper wire is insulated with a .05 in thick layer of rubber. The maximum temperature of thr rubber is 200F when the temperature of the air is 120F. The external heat transfer coefficient can be taken as 4 B..
14 kgs of liquid water enters a pump at a velocity of 1 ms and at 1 atm pressure. it leaves the pump at a velocity of
Air (assumed to be an ideal gas) is contained in a piston-cylinder assembly at an initial state of 1 bar with a volume of 1 m3. The mass of air contained in the cylinder is 1 kg. During any expansion or compression of the air, the pressure remains co..
A hydraulic pump has displacement of 3 in^3 and a mechanical efficiency of 0.92. The flow output of the pump is 21 gpm, and the pressure at the outlet is 1250 psi. Determine the torque required to run the pump at 1800 rpm.
1 a gas turbine power plant produces a net power output of 100 mw with an overall thermal efficency of 35a if the
assume that oxygentc 154.6k pc 5.046 x 106 pa and vc 7.32x10-5 m3mol and water tc 647.3kpc 2.205 x 107 pa and vc 5.6
a centrifugal compressor delivers 20 kgs of air at 0.32 mnm2 when running at 17500 rpm and absorbing 2800 kw. the inlet
a man hits a 50g golf ball such that it leaves the tee at an angle of 40 degrees with the horizontal and strikes the
A clean cast iron pipeline 0.3 m in diameter and 300 m long connects two reservoirs having surface elevations 60 m and 75 m. calculate the flow rate assuming water at 10 C and a square-edged entrance. (Assume the loss coefficient for a square-edged e..
the field-circuit resistance and armature-circuit resistance of a 10-hp 115-v motor are 90 ohms and 0.08 ohms
An alloy contains 105.0 kg of iron, 0.2 kg of carbon, and 1.0 kg of chromium. Calculate the alloy composition in weight percent. Calculate the alloy composition in atom percent.
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