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A three-point bending test was performed on a glass specimen having a square cross-section of 15 mm length on each edge. The specimen fractured at a load of 4770 N when the distance between the support points was 41 mm.
A second test is to be performed on another specimen of this same glass material, but one that has a circular cross-section. What minimum specimen diameter is required to ensure that fracture will not occur when a load of 3620 N is applied? Assume that the support point separation is maintained at 41 mm.
air enters a compressor with a pressure of 14.7 lbfin2 a temperature of 70 degrees f and a volumetric flow rate of 40
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When does a 2x2 orthogonal matrix Q with det(Q) = 1 describing a 2 dimensional rotation have real eigenvalues and eigenvectors?
air enters a insulated turbine operating at steady state at 5 bar temp 1000 k and exits at 1 bar temp at 500 k.
a spring having an unstreched length of 2ft has one end attached to a 10lb ball. determine the angle of the spring when
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sun a 5800 k transfers heat to earth at an average rate of 1360 w per m2 of surface area of earth. the earth has a
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In a certain electro chemical dissolution process of iron, a MRR of 2 cm3 /min was desired. Determine the amount of current required for the process. Assume current efficiency = 100%. Atomic Weight of Iron = 56 gm, Valence = 2, Density of Iron = 7.8 ..
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