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A column for a multistory building is fabricated from ASTM A36 steel (E= 200 GPa) shown below. Compute the buckling critical load. Assume that the components connected in such a way that the section is fully effective.
Water flows through the pipe contraction shown. for the given 0.2 m difference in the meter level, determine the flowrate as a function of the diameter of the small pipe, D.
compute the finals velocities v1' and v2' after collision of the two cylinders which slide on the smooth horizontals shaft. The cofficient of restitution is e= 0.6. m1 = 2 kg, v1= 7m/s and m2 = 3 kg , v2 = 5 m/s
A rigid 1ft^3 vessel contains R-134a originally at -20F and 27.7% quality. The refrigerant is then heated until its temperature is 100F. Calculate the heat transfer required to do this, in Btu.
A .90% Carbon hypereutectoid plain carbon steel is slowly cooled from 900 degrees C to just slighty above 723 degrees C calculate the weight percent proeutectoid cementite and weight percent austenite present in the steel.
Determine the compressive strengths of the following: A) A 6-in. diameter concrete cylinder that failed at ta test load of 135,000 B) A-3-in. diameter specimen that failed at a test load of 30,000
Base course aggregate has a target dry density 119.7 lb/cu ft in place. it will be laid down and compacted in a rectangular street repair area of 2000 ft x 48 ft x 6 in the aggregate in the stockpile contains 3.1% moisture.
An undisturbed soil sample was collected in a sampling tube of internal diameter 5cm. The length of the extracted sample was 10.2 cm and its mass was 360 g. After oven drying the mass reduced to 326.5 g.
An angle is observed repeatedly using the same equipment and procedures. Calculate a) the angle's most probable value, b) the standard deviation, and c) the standard devaition of the mean
Find the percentage of Air voids and voids in the mineral aggregate if the asphalt absorption is .5%, and the specific gravities of the aggregate and binder are 2.660 and 1.020 respectively. The unit weight of the mixture is 2.39 Mg/m^3
A tangent section of highway has a -1.0% grade and ends at station 4+75 and elevation 82 ft. It must be connected to another section of highway that has a -1% grade and that begins at station 44+12 and elevation 131.2 ft.
How big ( gallon capacity) must the tank be ( minimumum size) if we use a design value of 15 mg/l BOD in the effluen ad the unit is treating 25 MGD of wastewater? the influent concentration was measured at time 0.
Using pie method, derive an expression for the velocity of a jet of viscous liquid issuing from an orice under static head if this velocity depends only on head, orice diameter
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