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1.You are constructing an embankment of 250,000 cubic yards of material. The material has a shrink percentage of 18%. How many bank cubic yards will be required to complete this embankment?
2.A soil borrow material in its natural state in the ground has a unit weight of 85 pfc. When a sample of this soil is dried in the laboratory, its dry unit weight is 72 pfc. What is the water content of this borrow material.
3.The bottom of a rectangular flume is 5m above reference level. The depth of the water in the flume is 3m. The average velocity is 1.7m/s. Compute the hydraulic energy at the surface of the water and at the bottom of the flume.
An open clean glass tube, having a diameter of 3 mm is inserted vertically into a dish of mercury at 20c .How far will the column of mercury (S.G =13.6) in the tube be depressed in (mm) given the following information. Theta = 130 and surface tens..
Draw and explain a pump curve that illustrates the effect of throttling in the CLOSED direction (i.e., reducing flow) the discharge valve for a constant speed centrifugal pump installed in a cooling water system.
assume a future where security countermeasures against dos attacks are much more widely implemented than at present. in
If the difference in weight between the two baskets must greater than 15 lb they will not have the strength to operate the pulley. The King weighs 195 lb, the princess weighs 105 lb, and the prince weighs 90 lb.
A quartzite sample in a compression testing machine is 180mm long and 54mm in diameter. what is the stress under a load of 100kN? if the modulus of elasticity is 102kN/mm2, find the strain develope in the sample.
If the state standard downstream is not met, the state has informed town 1 that it must treat its sewage further so the downstream standard is met. Use a mass balance approach to show that the state's request is unfeasible.
For a groundwater hydrology problem, if you have an unconfined aquifer, and someone inserts an impermeable wall into the middle of it (a wall that starts at the bottom and does not stretch the full height of the aquifer)
design a square individual footing to support a 16 inch square reinforced concrete column. service loads include a dead load of 180 kips and a live load of 140 kips. both column and footing have fc=3000psi and fy=60000 psi.
A chlorination process is to be used to disinfect a wastewater treatment plant effluent. The plant treats 1.8MGD (million gallon per day). The water entering this unit has about 4500mg/L of coliforms, and the effluent target is 0.1 mg/L of coliforms.
A 2500-lb car (CD = 0.35, Af = 25 ft^2, and ? = 0.002378 slugs/ft^3) has 14-inch-radius wheels, a drivetrain efficiency of 90%, an overall gear reduction ratio of 3.2 to 1, and drive axle slippage of 3.5%.
During a particular 30-day period, the streamflow flowing into a reservoir averaged 5.0 m3/s. Water supply withdrawals from the reservoir averaged 136 mgd. The only other outflow from the reservoir was 9.4 cm of evaporation from the water surface.
In a falling-head permeability test the initial head of 1.00 m dropped to 0.35 m in 3 h, the diameter of the standpipe being 5 mm. The soil specimen was 200 mm long by 100 mm in diameter.
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