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If a 1.0 m3/s flow water treatment plant uses 10 sedimentation basins with an overflow rate of 15 m3/day.m2 ,
a-what should be the surface area (m2) of each tank?
b-Do the problem again but for an alum or iron floc with an overflow rate 20 m3/day.m2?
You are a farmer. You plan to supply to your fields using water from a lake that is 500 ft above your fields using a 3 inch smooth plastic pipe, 1500 ft long. How much flow rate will you get? Initial guess: f=0.03, no pump.
Each stage can perform 60 % water recovery (Qp/Cf) and 90% salt rejection (1-Cp/Cf) A) What is the overall product water recovery and salt rejection b)what is final product water flow rate (m^3/day) and quality in terms of TDS (mg/L).
a 4ft-long, 1-in-diameter shaft rotates inside an equally long cylinder that is 1.02 in. in diameter. Calculate the torque required to rotate the inner shaft at 2000 rpm if SAE-30 oil at 70 degrees F fills the gap
A certain stell tape, for wich the the coefficient of expansion is 0.00000645, is exactly 100 ft long68 farenheit. at 15 farenheiit the length of the tape is howmany feet?
two isotropically consolidated undrained (ciu) triaxial tests, CU1 triaxial tests, CU1 and CU2, were conducted on a normally consolidated (Nc) clay under effective consolidation stresses of 100 and 200 kPa respectively.
How many mL of water will it take to get 10 pounds of dry aggregate to a moisture content of 5%. 1 kg=2.2 pounds
A soil borrow material in its natural state in the ground has a unit weight of 86 pcf. Its natural water content is 9%. What is the dry weight of this material
A steel bolt and nut are tightened around an aluminum sleeve. Find the internal forces as the nut is rotated 1 turn
According to information found in an old hydraulies book, the energy loss per unit weight of fluid flowing through a nozzle connected to a hose can be estimated by the formula h=(0.04 to 0.09)(D/d)^4*V^2/2*g
There are 10 vehicles in a queue when an attendant opens a toll booth. Vehicles arrive at the booth at a rate of 4 per minute. The attendant opens the booth and improves the service rate over time following the function u(t) = 1.1 + .30t, where u(..
this cuts it down to a single force that you have to solve for, regardless of what type of member it is. Prove that the forces are equal and that the lines of action are along an angle theta. HINT: Use to do equations of equilibrium.
10-kg of nitrogen is heated from 20 degrees C to 250 degress C. Determine the total amount of heat required when this is done in (a) a constant-volume process and (b) an isobaric process.
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