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In an undisturbed soil formation, it is known that the dry soil weight is 115pcf. The specific gravity of the soil particle is 2.75.a) What is the saturation wet unit weight of the soilb) What is the submerged weight of the soil?
a) What is the saturated wet unit weight of the soil?
b) What is the submerged weight of the soil?
Steam expands in an turbine operating in steady-state conditions with a mass flow rate of 40,000 kg/hr. The steam enters the turbine at 8MPa and 500 C, and exits as a saturated vapor at 40 kPa. If the power generated by the turbine is 8.2 MW, what is..
A notched beam, machined from AISI 1020 steel is subjected to reversed bending. Determine the endurance limit Se. Assume the survival rate of 99.9 percent and Cs = 0.75 and that the fatigue stress concentration factor is Kf =2.5.
She plans to deposite 5% of her yearly salery, into retirment fund that earns 7% intrest compounded daily. what amount will accumulate at time of her retirement?
A pump of 80% efficiency lifts water from one large open tank to another; the difference in water surface elevations is 20 feet. The pipe is relatively smooth (f = 0.0122), and has 3 elbows, each with a loss coefficient of 2/3.
A gas stream with a particulate loading of 20.0g/m^3 is passed through a 70%-efficient cyclone followed by a 95%-efficient ESP. Calculate the overall efficiency of the system.
A bar with a circular cross-sectional area is made of SAE 1045 carbon steel having a yield stress of sY = 1000 MPa. The bar is subjected to a torque T=3.75 kNm and a bending moment M=7 kNm. Using a factor of safety FS=2 with respect to yielding
According to Archimede's principle, the buoyancy force actingon that object that is partially immersed in a fluid is equal tothe weight that is displaced by the portion of the object that issubmerged.
What are the effects of reducing w/c on porosity, permeability, and compressive strength of hydrated cement. Porosity: capillary pore volume/total volume of hydrated cement specimen
A trapezoidal channel with base width 5m and side slopes 2 horizontal to 1 vertical, slopes at 0.0005. If n=0.010, what is the flow rate for a normal depth of 1m, 2m, 4m
The wheel of radius r rolls without slipping and has an angular velocity w. Write an expression for the velocity of point A in terms of theta and show that the velocities of A and B are perpendicular to one another
Define what each term in the equation means. Overall, what quantity is being conserved? Under what conditions might you be justified in assuming that non-linear terms are not important
A 3000-lb car has a maximum speed (at sea level and on a level, paved surface) of 140 mi/h with 16-inch-radius wheels, a gear reduction of 3.5 to 1, and a drivetrain efficiency of 92%. It is known that at the car's top speed the engine is producin..
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