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An equal-tangent crest curve connects a +2% initial grade with a -1% final grade, and is designed for 55 mi/h. The station of the PVI is 233 + 40 with elevation 1203 ft. What is the elevation of the curve at station 234 + 00?
Set up a table showing curve elevations at the PVC, at the PVT, and at the half-station points along the curve. Compute the station and elevation of the curve turning point.
A tire carries a 5,000-lb load and has a pressure of 100 psi. The pavement has a modulus of elasticity of 43,500 psi. A deflection of 0.016 inches is observed at a point on the pavement surface 0.8 inches away from the tire load.
A 30mm pipe X 460mm rectangular duct carries air. What size square conduit is needed to transport 4m cube per sec of water at a distance of 45m and head loss of of 1.08m.
On a certain highway a -6% grade meets a +2% grade at station 70 + 00, elevation 550.97 ft. An equal tangent vertical curve, 800 ft. long, is to be installed to connect these two grades.
The winch consists of a drum radius 4 in., which is pin connected at its center C. At its outer rim is a ratchet gear having a mean radius of 6 in. The pawl AB serves as a two-force member (short link) and keeps the drum from rotating.
A natural deposit of soild was found to have water content of 20% and to be 90% saturated. What is the void ratio of the soil
At a specified point on a highway, vehicles are known to arrive according to a Poisson process. Vehicles are counted in 20-second intervals, and vehicle counts are taken in 120 of these time intervals.
Fluids A and B ave specific gravities .75 and 1.00 respectively. If the mercury is used as manometer liquid determine the pressure difference between A and B
A model grain dryer is being used to investigate the drying process. It is discovered that the load cell which supports the dryer indicates that the mass of the dryer and its contentsinitially increases during the heat-up.
Determine whether the block shown is in equilibrium and find the magnitude and direction of the friction force when theta=30 and P=150N
if a person and a wheelchair weigh 185 lbs how much effort force is required to travel up a ramp whose slope of 24.08 ft.
An afterburner has been selected to destroy 99.9% of the ethane (CH3-CH3)in a gas (mostly air) stream . if the residue time is 0.8 seconds and the pressure is 1.1 atmospheres in the after burner,
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