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A constant head permeameter has a sediment sample with a cross sectional area of 100 cm^2. The sediment sample is 30 cm long. The porous plates on top and bottom of the sample holding it in place have a vertical hydraulic conductivity of 0.001 cm/s and each have a thickness of 10 cm. At a head of 50 cm, the permeameter discharges 40 cm^3 in 900 sec.
Determine the hydraulic conductivity of the soil sample in cm/s.
A 1000 cubic yard embankment is to be built using soil from a borrow pit. The properties of embankment and the borrow pit soil are given below:
Determine the minimum weight of concrete and calculate the actual weight of concrete - Find the total weight mobilised
A Chemical manufacturer emits air with 250 PPM of toluene at 1 atm and 30 degrees C at a flow rate of 10,000 cubic meters per minute.The air is routed to a biofilter to control total emissions to less than 110 kg/day of toluene.
Calculate the critical volume then estimate the green time interval for each phase of the intersection using the data provided below. Assume that the intersection will operate as a simple two phase cycle with a 90 second cycle length.
Determine the force required to drag a small barge (10 ft by 30 ft) in a shallow canal (3 inches deep) in order to maintain a velocity of 5 ft/sec. Assume that the fluid is behaving in a Newtonian fashion and the water temperature is 68 degree fah..
Assuming you had the necessary inputs to get a numerical value for both C and D, how might your numerical answers for both C and D vary if the polymer tensile member is located in Michigan versus Texas? Why?
A bus line 4 miles long runs through an area with 1/6 acre lots,3.5 people per household, average 1 car per household. People will walk up to 1/6 mile to a bus stop, so stops are located 1/3 mileapart along the route.
Suppose that the acceleration of the train during the interval time from t=2 to t=4 s is a 2t m/s^2, and at t = 2 s its velocity is v = 180 km/hr. What is the train's velocity at t = 4 s
How many 3:4-inch diameter rivets are required to transmit 55,000 lb from the two angles to the gusset plate if the allowable shear stress in the rivets is 15,000 psi Assume each rivet carries the same amount of load.
A particular crest vertical curve has long been criticized as being unsafe. Its length is 400 ft. The prevailing speed on the crest vertical curve is 50 mph. In its present condition, its tangent grades are +2% and -3%.
Two particles start from the same point along the same straight line and at the same instant. The first particle travels with a constant velocity v and the second with a constant acceleration.
A spherical drop of water has r = .1mm . If the surface tension of water is 72 dynes/cm, calculate the pressure difference across the interface.
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