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1.A 17ft long kayak moves with a speed of 5 ft/s. Would a boundary layer type flow be developed along the sides of the boat? Explain. The water temperature can be assumed to be 60 degrees F.
2.The Einsten's equation is dimensionally homogeneous. determine the dimensions of E if V is velocity and m mass.
3.A rectangular channel (n=0.015) is 6.0 m wide with a discharge rate of 60 cms and a longitudinal slope of 0.01. What is the expected depth of flow in the channel?
4.A gunite concrete trapezoidal channel with 1:2 side slopes, as ilustrated below, conveys 60 m3/s on a slope of 0.0005. Compute the depth of flow.
Use dimensional analysis with the following parameters: height of spillway (P), head on the spillway (H), viscosity of liquid, density of liquid, surface tension, and acceleration due to gravity.
given data of water softened by excess lime treatment, sketch a meq/l, calculate the softening chemicals required in pounds per million gallons, and draw a bar graph for the softened water after re-carbonation and filtration
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.
An equal-tangent crest vertical curve connects a +3.2% and -1.1% grade. The PVI is at station 98+20. Due to drainage considerations, the highest point of the curve is at station 100+79.35.
Roughly what is the maximum Volume of treated wastewater should you put in the bottle if you want to have at least 2.0mg/l of DO at the test (filling the rest of the bottle with the water
A cyclone is designed with an inlet width (W) of 12.0 cm and has four effective turns. The inlet gas velocity is 15.0 m/s and the particle density is 1.70 g/cm3. (a) Estimate the particle size that will be collected with 50 % efficiency.
A horizontal cylindrical tank 4 ft in diameter and 10 ft long is full of water. Find the work done in pumping the water to a point 4 above the top of the tank.
The difference in water level is 60ft. Determine the size of pipe for a water temperature of 60 degrees Fahrenheit. Apply The Darcy-Weisbach equation.
A lake has a carrying capacity of 12,000 fish. At the current level of fishing, 3,000 fish per year are taken with the catch uniformly distributed throughout the year.
The longitudinal slope of the swale is to be 1.5% with side slopes of 5:1 (H:V). If the grassed swale has a Manning's n of 0.030 and a minimum infiltration rate of 200 mm/hr, determine the length of the swale required.
A rectangular plata 5 ft by 4 ft is at an angle of 30 degrees with the horizontal, and the 5-ft side is horizontal. Find the magnitude of the force on one side of the plate and the depth of its center of pressure when the top edge is 1 ft below the w..
The door of an oven has 27.9lb weight that acts vertically through point D. The door is supported by a hinge at point A and two springs that are symmetrically located on each side of the door.
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