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1.A cylindrical specimen ofcold-worked copper has ductility (%EL) of 15%. If its coldworked radius is 6.4 mm (0.25in.), what was its radius before deformation?
2.A 2in cube coal specimen, which was tested in a lab, failed at 8,000lb. A set of main entries is to be designed through the 5ft seam from which the specimen was extracted. If there is 500ft of overburden, and assuming a 50% recovery, what will be the least pillar dimension?
Characteristic values of the shear strength parameters of the soil are c'= 0, and f' = 400. Determine the required width of the footing if a factor of safety of 3.0 against shear failure is specified when the water table rise to foundation level.
Discuss how the NEC3 form of contract provides stimulus to good management and compare and contrast this where possible with other forms of contract.
A solid one-way slab is to be used for a framing system Column spacing is 33 ft, with regularly spaced beams occurring at 11 ft center to center. Superimposed dead load on the structure is 50 psf and the live load is 75 psf.
a new space age development corporation in wichita kansas has borrowed a sum of $4M from a friendly bank at an interest rate of 9%. the company has also borrowed another $1M from other sources at an interest rate of 8%.
Chemical ‘A' is regulated by EPA and the maximum allowable concentration in water is 5 ?g/L. Design a reactor for a water treatment plant where 1000 ppm of chemical ‘A' is introduced at a flow rate of 100 m3/min.
One issue is to calculate the "pooled" variance and "pooled" standard deviation. Since we expect that the variances of the improvement scores by both groups could be a bit different, we'd want an overall value that reflects the variance of both gr..
the flow into the lake is from is from a stream is 300 m3/d andthe flow into the lake from runoff averages 20 m3/d. The lake is used for fishing by the local residents but the pesticides from local farms may damage the fish population.
A manometer of water reads a height of 20cm at a temperature of 15 degrees C. If the diameter of the manometer tube is 1mm, what is the static height reading
knowing the tension in cable AC is 1065 N, determine the moment about each of the coordinate axes of the force exerted on the plate at C
Mark's refrigerator has just died. He can get a basic fridge or a more efficient fridge with an Energy Star designation. Mark wants to consider a 10 year planning horizon using an interest rate of 5%.
Determine the lengths and bearings of the sides of a closed polygon traverse whose corners have the following x and y coordinates: A(5000.00, 5000.00) B(5289.67, 5436.12) C(4884.96, 5354.54) D(4756.66, 5068.37)
A container weights 2.06lb. It is filled with 1.09ft^3 of water at 25 degrees Cel. What is the final weight in pounds and newtons
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