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A wet sand sample has a volume of 4.63 * 10^-4 m^3 and weighs 8 N. After oven-drying, the weight reduces to 7.5 N. Calculate the water content, void ration, and degree of saturation.
The gas tank of a car is filled with a nozzle that discharges gasoline at a constant flow rate. Based on unit considerations of quantities, write a relation for the filling time in terms of the volu
The wet mass of a sample of saturated soil is 520 grams. The dry mass, after oven-drying, is 400 grams. Determine the a) water content b)void ration c)saturated unit weight, and d)effective unit wei
a saturated silty clay encountered in a deep excavation is found to have a water content of 23.5%. determine its porosity and bulk unit weight.
a cylinder has 500 cm3 of water. after a mass of 100 grams of sand is poured into the cylinder and all air bubbles are removoed by a vacuum pump, the water level rises to 537.5 cm3. Dteremine the sp
A Rankine cycle has a boiler pressure of 2500 psi and a condenser pressure of 1psi. The temperature at the inlet of the turbine is 800F. The turbine has an isentropic efficiency of 90 percent and th
a room is to be maintained at 72 F db. It is estimated that the inside wall surface temperature could be as low as 48 F. What maximum relative and specific humidities can be maintained without conde
A space is at a temperature of 75 F, and the relative humidity is 45 percent. find the partial pressures of the air and water vapor
there is a legend that the inventor of chess asked fora small payment in return for the marvelous game he had developed; one grain of rice for the first square on the chess board, two for the second
Compute and compare the hydraulic conductivity (m/s) of a formation with respect to the three liquids below. The formation has a permeability k = 0.1 darcy and g = 9.8 m/s2. Liquid viscosity (g/cm s
Plan 2 has a $40/month access fee, unlimited nights and weekends, 750 anytime minutes plus $0.29/minute for minutes over 750, text messages cost $0.05 each, and roaming cost $0.39/minute whenever sh
A CFL bulb that puts out as much light as a 60-W incandescent bulb might costs $10, compared to about $1 for the incandescent bulb. But CFL bulbs are expected to last (on average) 15,00 hours, compa
two wooden members of uniform rectangular cross section of sides a = 100 mm and b = 60 mm are joined by a simple glued joint as shown. knowing that the ultimate stress of the joint are 1.26 MPa in t
The mass of the compacted soil specimen is 1.91 kg and its water content is 14.5%. Using a specific gravity of solids of 2.66, compute the degree of saturation, density and unit weight of the compac
suppose a steel material of specific gravity of 7.8 is attached to a wood of specific gravity 0.8. if it is required that the material does not sink or rise when left in static water, what should be
Obstruction due to underground electric lines requires that the x coordinate location of point C must be three feet as shown in the figure, as opposed to 1.5 ft for point B. Determine the magnitude
a water main is used to refill an elevated storage tank during the night. a 100 ft long, 12 in steel pipe (ks=.06 mm) connects to the booster pump that provides a pressure of 75 psig at the pump out
1.Remain at the previously indicated rate of climb 2.Fall to zero rate of climb indication 3.Indicate a maximum rate of climb 4.Indicate a maximum rate of descent
Let the lengths be 600mm and 300mm , and the angle 50 degrees . If the permitted additional elongation of the cable is 0.20mm , determine the maximum allowed distributed force per length q.
The cross-sectional geometry of bone varies along its length, although the cross-section can be approximated as hollow and circular, with an average outer diameter of 27 mm and inner diameter of 14
In magnetic tape recording, the tape is subjected to tension while it is guided along its path. Tension in the tape causes elastic deformation that results in slight changes in length of the domains
Properties of frozen tissues have been measured as part of understanding the response of tissue to cryopreservation. In one set of experiments, frozen bovine carotid arteries were tested in uniaxial
equation for pressure in bottom layer of a 2 layer fluid is: pressure,p =( specific weight of fluid 1,y1*thickness of fluid 1,h1) + ( specific weight of fluid 2,y2 * ( depth below the free surface a
Equation for head loss in a pipe when it is laminar flow: head loss, h= (32*dynamic viscosity,u*pipe length,L*average velocity of fluid,V) / (gravitational acceleration,g*pipe diameter,D^2) Give an
A fluid in an aquifer is 23.6m above a reference datum; the fluid pressure is 4390 N/m2. The fluid density is 0.999E3 kg/m3. What is the total energy per unit mass What is the total energy per unit