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Determine the clean filter head loss in a filter bed composed of 0.3 m of uniform anthracite (with an average size of 1.6 mm) placed over 0.3 m of uniform sand ( with an average size of 0.5 mm) for a filtration rate of 160 L/m^2.min. Assume that the opening temperature is 20 degrees celcius. Use the Fair Hatch equation.
The three hinged arch is composed of segments of a circle. Support points A and D are not at the same level.Determine: (a) the horizontal and vertical components of reaction at A and D.
Determine the specific surfaces in m2/g units for the spheres of diameters (a) 10.0 cm, (b) 1.0 cm,(c) 0.1 cm, (d) 0.01 cm. (e) 0.001 cm and (f) 0.0001 cm. Assume the mass density of spheres as 2.5g/cc.
The temperature = 25°C; assume that u = 10^-2 after the addition. Compare the value obtained when ionic strength effects are taken into account with that calculated when it is neglected.
A community has a current population of 15,000. 10 years ago, the population was 12,500 and the community has a declining growth rate with a saturation population of 22,000.
if a ball is dropped from a height of 800 cemtimeters, and the impact velocity is 41 feet per second, determine the value of gravity in units of meters per second.
A tracer study was conducted to assess groundwater velocity and showed that a slug of a conservative tracer took 34 days to travel the 10-m distance between two wells.
Assume the only products are CO2, H2O, CO and N2. State results as the CO molar fraction of both wet and dry exhaust products ( wet exhaust products include H2) and dry exhaust products exclude it).
A light rail transit agency operates trains over a 25-km long single-track line. During the peak period, it operates five trains at 15-min headway. Train travels at an average speed of 50 km/hr.
Assuming an isotropic and homogenous hydraulic conductivity of 0.0001 cm/s what is the magnitude and direction of specific discharge (q)?
The company can either buy a single 200m^3 ideal plug flow tank, or three 80m^3 completely mixed tanks that operate in series. the cost is essentially the same. The pollutant is removed as a part of a first order reaction with a rate constant value..
The three blocks shown move move with constant velocities. Find the velocity of each block, knowing that the relative velocity of A with respect to C is 300 mm/s upward and that the relative velocity of B with respect to A is 200 mm/s downward.
A sailboat capsizes a large distance from shore. What might be done to 1) right the boat and 2) prevent this from occurring again. How would this be accomplished specifically
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