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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.
a rigid insulated 1.4 m3 container initially contains steam at 1.4 mpa and a quality of 85. liquid water at 10 deg c is
Define and identify unique characteristics of the items below: Abrasive Machining, Honing, Lapping, Surface Grinding, Centerless Grinding.
the spring mounted slider moves in the horizontal guide with negligible friction and has a velocity vo in the
Calculate the magnitude of the normal and shearing stresses in a plane oriented at
A five-cylinder, 3.5-liter SI engine operates on a four-stroke cycle at 2500 RPM. At this condition, the mechanical efficiency of the engine is 62% and 1000 J of indicated work are produced each cycle in each cylinder.
Assuming that the occupants' body heat provides a continuous source of 320 W within the igloo, calculate the inside air temperature when the outside air temperature is Too = -40 C. Be sure to consider heat losses through the floor of the igloo.
a truck starts from rest and travels with a constant acceleration of 1.5 fts2. after a time t it maintains a constant
the arm of a car windshield wiper is 12.75 inches long and is attached at the middle of 15.00 inch blade assume that
Three small fans are located near each other at 1.5 m above the ground, and produce an annoying noise in the 250 Hz band. A localresident whose bedroom window is at the same height as the fans and is 80 m away complains about this noise. Measurements..
1. For a square foundation that is B 3 B in plan, Df 5 2 m; vertical gross allowable load, Qall 5 3330 kN, g 5 16.5 kN/m3; f9 5 308; c9 5 0; and FS 5 4. Determine the size of the foundation. Use Eq. (4.26).
a piston cylinder arrangement contains 1.0 kg of nitrogen gas initially at 100 kpa and 27c. the gas will be compressed
consider a steam power plant that operates on a simple nonideal rankine cycle and has a net power output of 38 mw.
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