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1.A particular soil has a total (moist) unit weight of 122 pcf and a dry unit weight of 101 pcf. The specific gravity of soil is 2.70. Calculate the water content and degree of saturation.
2.A specimen of saturated soil has a water content of 145 percent and a total unit weight of 84 pcf. Find the void ratio and specific gravity of solids.
3.Given a force with components [120, 330, -150] lbs acting at the point [10, 14, 0] inches, find the moment that this force creates about the point with coordinates [4, -5, 2] inches.
4.A jet of water of diameter 75mm moving with a velocity of 25m/s strikes a fixed plates in such a way that the angle between the jet and plate is 60? find the force exerted by the jet on the plate. (a) In the direction normal to the plate and (b) In the direction of the jet
Describe a piece of John Deere agricultural equipment that utilizes GPS hardware and software. Describe how many RECs are placed on the equipment and where it is placed.
If you deposit $1000 per month into an investment account that pays interest at a rate of 6% per year, compounded quarterly, how much will be in the account at the end of 5 years
A 10 ft layer of normally consolidated saturated clay is found at depth of 20 ft beneath a formation of partially saturated sandy silt with unit weight of 115 lb/ft cubed. Void ratio of the clay is 1.5 and specific gravity is 2.6.
Determine the heights of the fluid columns for barometers that use the following liquids at 20 C: water, ethyl alcohol, and mercury. Why do you think mercury barometers were used in the past (before the negative health effects of mercury were know..
A sled with two runners slides along a thin horizontal layer ofwater between the ice and the runners. The horizontal force thatthe water puts on the runners is equal to 1.2 lb when the sled'sspeed is 30 ft/s.
Saturated liquid water at 1.0 MPa is throttled adiabatically to a pressure of 0.4 MPa. If the change is kinetic energy is negligible, what percentage of the water evaporates during this throttling process?
Divide the sodium hydroxidecharge into 10 smaller charges, and add them one at a time, makingsure that each is well mixed and the tank temperature has stoppedincreasing before adding the next charge.
Two pumping wells 1,000 m away fully penetrate the same confined aquifer. One of the wells pumps at a rate of 1240 m3/ day and the second well pumps at 850 m3/ day.
The suspended load exerts a force F = 600 lb at A and bar OA weighs 200 lb. Assume that the bar's weight acts at its midpoint. Determine the tensions in the cables and the reactions at the ball and socket support O.
A canal was constructed running parallel to a river 1500 ft away. Both fully penetrate a sand aquifer with a hydraulic conductivity of 1.2 ft/d. The area is subject to rainfall of 1.8 ft/y and evaporation of 1.3 ft/y.
Design a cantilever beam made of reinforced concrete. The rectangular beam is 18 ft long and subjected to a uniformly distributed dead load of 1.5 kip/ft (not including the beam weight)
A calibrated utility function for travel in a city by three modes (car, bus, and light rail) is where X is the cost of travel (cents) and Y is the travel time in minutes. Use logit model to calculate the modal split (in percentage) for the given valu..
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