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A soil is to be compacted on a site and it is expected that the soil contains a high percentage of montmorillonite.
1) Briefly explain the working principles of two tests that can be carried out to ascertain the presence of montmorillonite in the soil.
2) Should the soil be compacted at the dry of optimum or at the wet of optimum condition in order to minimize the swelling potential?
A car is traveling at 30 mph on a good, dry pavement at sea level. The front-wheel-drive car has a drag coefficient of 0.35, a frontal area of 30 ft2 and a weight of 2500 lbs. The wheelbase is 120 inches and the center of gravity is 20 inches from..
a 1 meter diameter cylindrical mass is connected to a 2 meter wide rectangular gate. the gate is to open when the water level drops below 2.5 meters. Determine the required value of the mass of the cylinder in kgs.
determine the rate of discharge through the gate; b) determine the critical depth , yc at the minimum energy, Es,min; c) determine the critical depth, yc at the current flow; d) determine the alternate depth; e) determine the flow regime (sub- or ..
a 2000 m long commercial steel pipe of 200 m diameter converys water at 20 C between two reserviors. the difference in water level between the reserviors is maintained at 50 m.
An inverting amplifier is implemented with a R1=10 kilo Ohms and R2= 100 Kilo Ohms, and an op amp with finite open-loop gain a=10^3 V/V. Sketch and Label Vi,Vo,and Vn versus time if Vi is a 1-kHz triangular wave
Calculate the work done and the heat transfer. Hint: Use the ideal gas law pv = RT to nd the temperature at the end of compression. Take R = 0.287 kJ/kg.K and cv = 0.718 kJ/kg.K.
Determine the gravitational force acting between two spheres that are touching each other. The mass of each sphere is 400 kg and the radius is 300mm.
The velocity of propagation, c of surface waves is assumed to depend on the water depth, y, the water density, and the acceleration due to gravity, g. Express these variables as a dimensionless group.
The brush is immersed in the first volume and agitated until equilibrium is established, removed and the exercise is repeated with the second volume. Assume that the solvent remaining in the brush after it is removed from the first batch is insign..
Calculate the stress at failure of a concrete test cylinder with a measured diameter of 152.4 mm and a recorded load of 371,426N. Units of ksi.
Think of a situation where CAD is a better choice then traditional drafting. Given multiple ways to input coordinates, is one way better than another? Are there situations where you ell use one method over and other?
Straight pipe, pump head=100 ft, pipe diameter=4inches, velocity is 10 ft/sec, no elevation changes. Water at 20C. What is the length of the smooth pipe
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