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1.What is the principal alloy in steel and why is it added to steel when in molten state during manufacture.
2.If a sample of wood measuring 1.45” x 3.45” x 6” long has a green weight of 8.55 lb. Determine the specific gravity of this wood.
3.How many hours are needed to compact a 20km long x 7.5m wide highway with a self-propelled tamping foot roller under the following conditions: avg speed = 10km/hr, compacted lift thickness = 20cm, effective roller width = 3.7m, job efficiency = 0.83, and number of passes = 6
4.A structure is designed with a factor of safety of 5.25 psi. If the allowable stress of the structure is 3000 psi. What stress on the structure will lead to its failure?
a gate having a cross section closes an opening 5 ft wide and 4 ft high in a water reservoir. its center of gravity is one foot to the left of AC and 2 ft above BC. Determine horizontal reaction developed on the gate at C.
Locate the centroid y of the cross-sectional area for the angle. Set a = 9in ., b = 27in . Find the moment of inertia I_{x'} about the x' centroidal axis.
Given an aluminum simply supported beam with overhang, determine the applied load at the free end with a max deflection of 1”. b= 1”
Output the water surface pro le plots with all 3 discharges, including the water surface, energy grade line, and critical depth line. Hint: You only need to de ne 3 cross-sections (1 upstream one at the slope break, and 1 at the downstream locatio..
A cylinder of rock with a Poisson's ratio of 0.422 has ano-load length equal to 17.6 cm and a no-load diameter of 6.20cm. Under an axial compressive load the axial strain is foundto be -3.44 mm/m.
in an ore-mixing operation a bucket full of ore is suspended fromnbspa traveling crane which moves along a stationary
this cuts it down to a single force that you have to solve for, regardless of what type of member it is. Prove that the forces are equal and that the lines of action are along an angle theta. HINT: Use to do equations of equilibrium.
A clay ball (m=0.82 kg) is thrown at a metal target (M=1.72 kg) that is suspended from a cable. The ball is released 1.5 m above teh ground at an angle of 32 degrees.
a railway wagon weighing 40 kn and moving with a speed of 8 kmh is stopped by a buffer of 4 springs whose allowable
Knowing that its speed continues to increase at the same rate until it reaches 100 km/h at point C, 1) determine the speed at point B, and 2) the magnitude of the total acceleration when t = 20 seconds.
Show or formulate the shear and bending moment expressions for each board, and plot/draw the shear and bending moment diagrams of the boards.
If a truck has a capacity of 24m^3 (Heaped) and 18m^3 (struck), with a total empty weight of 31600kg (truck), and needs to move soil at a density of 1850kg.m^3 (Bank) with a swell of 41%
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