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A coal fired power plant is served by 25 trucks. When loaded, each truck consists of one single-axle of 14 kips (the front axle), two tandem axles of 32 kips each (the middle axles) and one single axle of 22 kips (back axle). Each truck makes 25 daily trips. The weights on the same axles when the truck is empty and leaving the power plant are 10 kips, 12 kips, and 8 kips, respectively. A two lane road is to be designed to serve the power plant and to last for a period of 10 years. a) What is the equivalency factor for the 14 kip single axle?
A centrifugal water pump has an impeller with r1 = 4", r2 = 12", f1 = 160°, f2 = 170°. The impeller is 2" wide at the inlet end and ¾" at the outlet. For a speed of 1800 rpm, neglecting losses and vane thickness
The coordinates for Point A, Point B and Point C are 5859.28N, 9331.56E and 8501.95N, 7911.60E and 10,500.00N, 8000.00E respectively. An angle right of 220°31'00" is turned when the backsight is B
For satisfactory operation, the static pressure at the pump inlet must not be lower than -6 m of water gage. Determine the smallest standard commercial pipe that will give the required performance.
A weight W somewhere between 1 to 10 tons is randomly placed along a beam of 10m long span. Let X denote the distance from the point of applicatoin of the load to the nearest support.
A pipe 1ft in diameter bends through an angle of 135 degrees. The velocity of flow of gasoline ( S = 0.8) is 20ft/s and the pressure is 10psig in the bend. What external force is required to hold the bend against the action of the gasoline
Using method of joints, calculate the forces in members EC and EF. Note that the length of the member CD is 3.464 m, the length of member EC is 2m, and angle CDE is 30 degree ( this will cut down a bit of trigonometry effort).
A concrete column with cross-sectional area is A= 120inches squared supports an axial compressive load P=9.0 kip, including the weight of the column. Determine the bearing stress in the soil. Concrete weighs 150lb/ft cubed
Concrete mix with a 3 in slump, w/c ratio of .5, and sand with a fineness modulus of 2.4 contains 1700 lb of coarse aggregate. compute the required weight of the aggregate per cubic yard.
Knowing that G = 11.2 x10^6 psi, determine the maximum shearing stress in each shaft when a torque of T of magnitude 420kip*ft is applied to the flange indicated. And the torque T is applied to flange B.
The discharge of the river at the basin outlet is measured at an avarage of 650 cfs. assuming that the charge in storage for the system is essentially zero, estimate the ET losses for the area in inches and centimeters for the year
The total saturated thickness of the aquifer is 15 m. Predict the concentration distribution along the water table after 5110 days, assuming a linear groundwater velocity of 1.6x10-3; dispersivities in x, y, and z of 5.0 m, 0.5 m, and 0.1 m
Given a horizontal curve of radius 1400 feet, a central angle= 46 degrees 21 minutes located at PI 50 plus or minus 00.00 on the centerline of a two-lane road with 12-foot wide lanes,
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