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A 10,000 cubic yards fill along a forest road right of waywill be compacted using grid rollers to a unit weight of 120 poundsper foot cubed. the fill material will be hauled to the site in 12cubic yard dump truck that are tipically loaded to about 85% ofthere volume capacity. while in the truck bed, the fill material istipically rather loose and as been estimated to have a unit weightof 80 pounds per foot cubed. each truck dispatched to the projectcan haul 8 loads per day.
How many days will be required for fill construction if 2trucks, 4 trucks, or 6 trucks are dispatched to the project?
The pressure at the entrance of the system must be at least 75 psi and the demand is 1350 GPM. The pipe material is to be riveted steel and the length of pipe is 5,000 feet. What size pipe should be used
standard air is drawn from the atmosphere into a 1.25 m diameter cylindrical duct by a fan mounted inside the duct. This air is discharged down stream from the fan through a 0.6 m diameter duct at a velocity of 25 m/s and atmosphere pressure.
suppose there are 10 pieces of paper in a hat. Each piece of paper has a digit 1 through 10 written on it. Each number is written only once. You reach in the hat and select a piece of paper. What is the probability that the paper has either a 3 or..
The mean annual precipitation for a 325 mi2 watershed is25 inches. Assume that 20% of the annual precipitation reachesthe watershed outlet as streamflow. Determine the meanstreamflow rate in ac-ft/yr
Wastewater from a paper mill contains ultimate BOD of 200ppm and DO of 3ppm, water is discharged at a rate of 100,000 gallons per day into a river, the river has a flow of 1 million gallons per day with no BOD
What is the SI value of absolute pressure corresponding to a vacuum pressure of -10 inches of water. Assume the location is Moscow, Idaho. What is the SI value of gage pressure corresponding to a pressure 14 psia. Assume the location is Denver, Colo..
A rectangular plata 5 ft by 4 ft is at an angle of 30 degrees with the horizontal, and the 5-ft side is horizontal. Find the magnitude of the force on one side of the plate and the depth of its center of pressure when the top edge is 1 ft below the w..
Suppose the average concentration of SO2 (SOsub2) is measured to be 400microgram/cu.m at 25degree celcius and 1 atm. Does this exceed the (24-hr) air quality standard of 0.14 ppm
In a three phase balanced system, a delta connected source supplies power to a wye connected load. If the line impedance is 0.2 + j0.4 ohms, the load impedance 3 + j2 ohms, and the source phase voltage Vab = 208 at a 10 degree angle (V rms).
The average flow rate of the River Tiger into the lake was determined to be 3.5 m3/s and the average flow rate of the River Yankee out of the lake was measured at 2.5 m3/s (ignore any loses due to evapotranspiration).
Determine the horizontal reaction that is developed on the gate at C.
What is the pH value of water containing 0.005 M of an acid with a acid dissociation constant of 0.001 M. The dissociation of the acid in water can be represented as: HA H+ + A-
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