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Determine the number of pumps needed and locations of well points. A pump test was conducted to evaluate hydrogeological information of the site, the hydraulic properties of soil and radius of influence. A fully penetrating well points with well radius of 3" was constructed and then another monitoring well was dug at a distance 50' from the center of the well. Both wells were 60' deep when both encountered tight formation of negligible permeability. Both well showed a static water-table of 10' below the surface. A well pump withdrawing 10 ft3/min resulted in drawdowns of 30' and 10' respectively at the well and monitoring location. Now you are supposed to use the above data to design a dewatering system for above the site. A building of footprint of 200'x200' to be constructed and requires 25' of depth without water to construct a basement. Assuming you have several well pumps withdrawing 10 ft3/min, Note that if you do not have symmetrical well arrangement, you need to plot contours within the building footprint show your design is acceptable for dewatering.
A pipe network in the form of a cube is made with twelve identical pipes. Each pipe forms an edge of the cube. If the entire inflow and outflow occurs at two adjacent corners, determine the percentage of the flow
The development of complex algorithms that can mine mounds of data that have been collected from people and digital devices have led to the adoption of data mining by most businesses as a means of understanding their customers better than before
Assuming approximately 19,296 data points can be held in memory, with a 21X Datalogger (CR23X Micrologger), capturing battery voltage; panel temperature; 2 thermocouples
If vehicle arrivals at the lot follow a poisson process, with arrival rate lambda = 0.2 vehicles/hour, what is the probability the lot is full at 9:15 AM. Assume that no one leaves during this period.
The bottom of piezometers A and B are on the same flow line and 1000 m apart. The bottom of piezometer A is at 130 m and its water level is 160 m. The bottom of piezometer B is at 100 m and the water level is 150 m. What is the hydraulic gradient ?
A clean glass capillary tube having a diameter of .008 in. was inserted into water with a surface tension of 0.00504 lb/ft. Calculate the height of the capillary rise in the tube.
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 live load of 1.5 kip/ft, and a load of 2 kip/ft by earthquake effect.
A tow truck is using a cable to pull a car up a 15 degree hill. If the car weighs 4000 lbs and the cable has a diameter of .75 inches, find the stress in the cable when the truck comes to a stop while on the hill. Ignore friction between the car and ..
You have been hired to analyze process piping for a food processing facility. They are using OD controlled sanitary piping to run water for a cooling jacket unit. Your job is to determine the maximum piping span.
The number of flaws on a sheet of aluminum manufactured by a certain process follows a Poisson distribution. In a sample of 100m2 of aluminum, 200 flaws are counted.
Evaporation rate in a 3650 acre-lake is 100 acre-ft/d. If inflow to the lake is 25.2 cfs, determine the change in storage (ft) during 365 days.
A student in the laboratory plans to exert a vacuum in the head space above a surface of water in a closed tank. She plans for the the absolute pressure in the tank to be 10,400 Pa. The temperature in the lab is 20°C. Will water bubble into the vapor..
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