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Find the irreversibility in the cooling process of the glass sheet in Problem 4.144.
Problem 4.144
Dry air is heated from 77 F to 7200 R in a 14.7 lbf/in.2 constant-pressure process. List the possible reactions that may take place and determine the equilibrium composition. Find the required heat transfer.
The observer's eye height is 58, and the uppermost navigation light is 230 ft above the water.
A nylon thread is to be subjected to a 10-N tension. Knowing that E=3.2 GPa, that the maximum allowable normal stress is 40 MPA, and that the length of the thread must not increase by more than 1%, determine the required diameter of the thread.
Water at 20 C flows in a conduit with a cross-section shaped in the form of an equilateral triangle. The cross-sectional area of the conduit is 100 sqaure meters and e=0.045 mm.
A 0.5m diameter pipe is filled with a fluid with a specific gravity of 1.5. Determine the force at the circular endcap and its location relative to the bottom of the pipe. If there is a hinge at the bottom, what external force would need to be applie..
What are the agents responsible for weathering of rocks?
Determine the force in each member of the scissors truss shown in Figure 2. State the whether the members are in tension or compression. The reactions at the supports are given.
A building is expected to increase the vertical stress at the center of a 2-m-thick clay layer by 100 kPa. If mv is 4 × 10-4 m2 /kN, calculate the primary consolidation settlement.
A rural town with sewered population of 4,500 has a daily wastewater flow of 1,590 m3/day with an average BOD of 280 mg/L including industrial wastes. The industrial discharges to the municipal sewers are 57 m3/day at 1,800 mg/L BOD
At the proportional limit, . gage length of a -diameter alloy rod has elongated . and the diameter has been reduced . The total tension force on the rod was . Determine the following properties of the material
The potentiometric surface elevations at two observation wells 1000 m apart are 52.35 m and 56.90 m. If the horizontal hydraulic conductivity of the auquifer is 25 m/ day determine the flow rate per unit width of the auquifer.
You are assigned the task of using bioremediation to cleanup a hazardous waste site contaminated with Tetrachloroethylene. The site is a shallow surficial sandy aquifer 30 feet deep underlain by a clay unit. The depth to the watertable is 10ft.
An ocean outfall diffuser that discharges treated wastewater into the Pacific Ocean is 500m from a public beach. The wastewater contains 105 coliform bacteria per milliliter. The wastewater discharge flow rate is 0.3 m3/s.
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