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1.A line was measured five times, the readings were: 100.08, 100.51, 100.32, 100.16, 100.22. what is the error? What is the most probable length?
2.Currently, the submarine shown has an empty ballast tank. In order to submerge to a depth of 50 feet from its present depth, how much sea water (in cubic feet) must be taken in? Assume specific gravity of 1.03 for sea water and sub is 300 feet long.
3.Water is flowing in a 6-cm diameter pipe at 20 m/s at 10?C. If the pipe enlarges to a diameter of 12-cm, calculate the reduced velocity. Also, calculate the mass flux rate and the flow rate.
Plot the ground level concentration of sulfur dioxide as a function of distance from the stack and determine the maximum ground level concentration at both with and without air pollution control and the distance from the stack where the maximum co..
one gram of pepper is placed into a 100 mL beaker, and the beaker is filled with water to the 100 mL mark. What is the concentration of pepper in mg/L. What should one assume in this problem
Determine the service flow rate with a level of service B for asection of 4-lane freeway (2 lanes in each direction) with 10-ftlanes and obstructions 4 feet from the traveled pavement on oneside of the roadway. The section has a 5% grade 0.95 miles l..
The suspended load exerts a force F = 600 lb at A and bar OA weighs 200 lb. Assume that the bar's weight acts at its midpoint. Determine the tensions in the cables and the reactions at the ball and socket support O.
What is the maximum column load in kips that could be placed on a 4-ft square temporary footing on a sand for which the standard resistance is about N=15 and the water table is at the surface? A factor of safety of 2 is to be maintained against be..
The piezometers are 280 m apart. The difference in piezometric head bewteen the two is 1.4 m. The aquifer hydraulic conductivity is 50 m/d and the porosity is 20%.
For a hydrology question we are given the depth of runoff and the time. We are to make a hyetograph using this information but Im not sure how to get the intensity of the rainfall from this information
A quality characteristic is monitored by a control chart designed so the probability that a certain out-of-control condition will be detected on the first sample following the shift to that state is 1-beta.
A conservative tracer is applied to the ground surface and leached through the vadose zone by rainfall. The average volumetric water content is 0.40 over the upper 4 meters and 0.30 over the remaining 3 meters above the water table
1. the maximum eight-hour average concentration of carbon monoxide co in an urban area is measured to be 15 ppm. the
Deisgn a thrust block needed to resist the force generated by a 45 degree flanged regular elbow which carries a flow of 14 cfs. The diameter of the fitting narrows from 24 inches to 18 inches and the inlet pressure is 100 psi.
If a torque of T = 1,100 N-m is applied to the composite assembly, determine: (a) the maximum shear stress in the aluminum tube and in the steel core. (b) the rotation angle of end B relative to end A.
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