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For the intersection curve (R = 35 ft) at Main Street, station A (0 + 52) to station D:
(a) Compute the length of arc.
(b) Determine the curb-line gradient (percentage) from A to D.
(c) Determine the proposed curb elevations at stations B and C; B and C divide the arc into three equal sections: AB = BC = CD.
(d) Using the grade stake elevations shown in the chart below, determine the cuts/fills (ft and in.) for stations B, C, and D.
A piston-cylinder device contains helium gas initially at 150 kPa, 20°C, and 0.5 m3. The helium is now compressed in a poly-tropic process (PVn=constant) to 400 kPa and 140°C.
the tank contains water to depth of 2m and oil (sg=.8) on top of the water to a depth of 1m detrermine the magnitude and location of the resultant fluild force acting on one end of the tank
Prove that the smallest angle of any triangulation of a convex polygon whose vertices lie on a circle is the same. This implies that any completion of the Delaunay triangulation of a set of points maximizes the minimum angle.
Gas flows at a steady rate in a 120-mm-diameter pipe that enlarges to a 180-mm-diameter pipe. At a certain section of the 120-mm pipe the density of the gas is 165 kg/m^3 and the velocity is 15 m/s.
Steam at 100 psia, sat vapor is in a pipe. The pipe is schedule 40 steel with a wall thickness of 1/8 inch and a length of 100 ft. The outside air temperature is 40 degrees Fahrenheit. The mass flow of steam is 4,000 lb/hr.
The table below provides the flows for the Llano River in Texas for the period of 1951 to 1970. Using the simplified frequency analysis method show in class (Weibul method)
A CU triaxial test with σc = 20 psi is performed on a sand and a deviator stress of 80 psi fails the specimen. Previous tests revealed that the effective friction angle for this sand is 35°. Calculate the pore water pressure at failure.
The coefficient of friction between the ball and the floor is 0.20.
a lower tank contains water while an upper tank contains air with a negligible concentration of water vapor. a tube
The path of motion of a 7-lb particle in the horizontal plane is described in terms of polar coordinates as r= (3t+2) and theta=(0.2t^2-t) , where t is in seconds. Determine the magnitude of the unbalanced force acting on the particle when t=3s.
The aim of this module is to develop practical and analytical understanding of the complex and multi-disciplinary nature of railways, and to provide students with an understanding of the economics of designing, building, maintaining and renewing ..
Consider a 1000-W iron whose base plate is made of 0.5 cm thick aluminum alloy 2024-T6 (density = 2770 kg/m^3 and c(p)=875 J/kg C). The base plate has a surface area of 0.03 m^2.
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