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A compaction test was conducted in a soils laboratory, and the standard proctor compaction procedure (ASTM D698) was used. The weight of a compacted soil specimen plus mold was determined to be 3815 g. The volume and weight of the mold were 1/30ft^3 and 2050 g respectively. The water content of the specimen was 9.1%. Compute both the wet and dry unit weights of the compacted specimen.
A reinforced concrete beam having the cross section shown is on a simple span of 28ft. It carries uniform service loads of 3.60 kips/ft live load and 2.20 kips/ft dead load. Check the adequacy of the beam with respect to the moment.
A bullet is fired from a height of 150m at a velocity of 300kmph at an angle of 35 upward. Neglecting air resistance. Find: a) total time of flight b) horizontal range
Assume the section has cracked and use the transformed area method to compute their flexural stresses for the load. Given: Beam 30 ft long with uniform load of 2 k/ft and a point load of 30 k at 10 ft.
Determine the magnitude of the couple force so that the resultant couple moment on the crank is zero.
A 55 KG bungee jumper leaps from a bridge. She is tied to a bungee cord that is 12 m long when unstretched, and falls a total of 31 m. Calculate the spring constant of the bungee cord assuming Hooke's law applies.
Calculate the (maximum) design load on a hollow AISI 1020 steel shaft with an outside diameter of 2.5 inches and an inside diameter of 2 inches. Assume a safety factor of 2.
Describe the reasons for enhancing drainage and situation where it is required. Explain some of the detrimental effects of drainage. Describe the types of drainage system indicating suitability criteria. 200- 250 word limit
an embankment for a highway 30m wide & 1.5m in a compacted thickness is to be constructed from a sandy trucked from a borrow pit.
Determine the forces that occur on the L5/S1 joint if a person has a bent posture with hips flexed at 65 Degrees with no load. The distance from Upper Body Center of Gravity to L5/S1=30cm.
ten kilograms of saturated liquid water at 5 bar is heated in a piston-cylinder assembly at constant pressure until temperature reaches 400 degrees C. A. Show the process on a T versus v diagram.
A 30mm pipe X 460 mm rectangular duct carries air. What size square conduit is needed to transport 4m cube per sec of water at a distance of 45m and head loss of of 1.08m.
Commercial aqueous nitric acid, HNO3, has a density of 1.42 g/mL and is 16 M. Calculate the weight percent of HNO3 in the solution.
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