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A 14-in. square concrete post is 6ft tall and reinforced by nine 3/4" diameter steel rods. Assume that the materials are high-strength concrete and ASTM-A36 structural steel.
A two-dimensional flow field is given by u=2+xy+3t^2, v=2xy^2+t. Find the velocity and acceleration of a particle of fluid at point (2,3) at t=4. Specify units in terms of L and T.
At 9AM the flow past bridge 1 is 37.2 m^3/s. At the same instant the flow past bridge 2 is 26.9 m^3/s. At what rate is water being stored in the river between the two bridges at this instant
Find the magnitude of the velocity and acceleration for the point having the coordinates (3,4). Specify units in terms of L and T.
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.
Find the maximum deflection of a wooden bearer which has three supports; one at each edge (2) and one in the middle (2m from each other). Bearer holds a UDL over its whole length (4m) of 600 N/m.
Polychloroprene is an amorphous polymer used in o-rings due to its excellent chemical resistance and has recently been used as an iPod holder. It is known by the trade name neoprene.
A river with 400 ppm of salts (a conservative substance) and an upstream flow of 25 m^3/s receives an agricultural discharge of 5.0 m^3/s carrying 2000 mg/L of salts.
Two chambers, A and B both have manometers with the same fluid with specific gravity 1.4. When h(sub a) = 6 cm and h(sub b) = 4 cm, what is the gage pressure in chamber A
A solid amount of statistics, you should write a short paper on your server's performance. Point out bottlenecks and analyze the data that you've gathered, as well as coming up with a few suggestio
Calculate the required average strength fc for the concrete ( a) if there are no prior test results for concrete with a compressive strength within 1000 psi of fc made with sim-ilar materials.
During that same hour, 20 departing aircraft uniformly arrive at the runway within a 20-minute period. Assume no other departing aircraft arrive at the runway during the hour.
Two reservoirs are connected by a pipeline. The pipeline is 1 m in diameter and has a friction factor of 0.03. The elevation difference between the reservoirs is 30 m. The two reservoirs are 5 km ap
Computations are to be made for a street curve with delfection angle delta = 50 degrees 00 minutes 00 seconds and centerline radius of 120 feet. The PI is at station 8+72.43.
An observer standing on a beach can just see the top of a lighthouse 15 miles away. The eye height of the observer abouve sea level is 5.7 feet. what is the height of the lighthouse above sea level
a well is located in a confined aquifer. the transmissivity of the aquifer is 1200 m^2/d and the storativity is 0.0005. the flow rate is 4000 m^3/d. At a distance 75m from the well,
IF the bulk density of coarse grained soil is 1760 kg/m^3 what is its void ratio, e, and saturation, S. Draw the complete phase body diagram and show the masses and volumes.
At a given initial time, the pressure in thetank is 100 kPa gage, and the atmospheric pressure is 100 kPaabsolute. Some time later, after more gas is pumped into thetank, the pressure in the tank is
The specific weight (wt./Vol.) of brass is 520 lb/ft^3. Determine its density (mass/vol.) in SI units. Use an appropriate prefix.
Base course aggregate has a target dry density of 119.7 lb/cu ft in place. It will be laid down and compacted in a rectangular street repair area of 2000 ft*48ft*6in.
A flat disk spins within an oil-filled enclosure. Clearances between the enclosure to both sides of the disk is 2.3 mm. The disk surface (area subject to shear) extends from radius 10mm to 90 mm.
The dynamic viscosity of water at 20°C is 1.00 x 10-3 N-s/m2, and the viscosity at 40°C is 6.53 x 10-4 N-s/m2. Estimate the viscosity at 30°C.
Water in a hydraulic press is subjected to a pressure of 4500 psia at 68 degrees F. If the initial pressure is 15 psia, approximately what will be the percentage decrease in specific volume
A 100-ft steel tape of cross-sectional area 0.0025 in^2, weight 2.3 lb, and standardized at 68 degrees F is 99.992 ft between end marks when supported throughout under a 12-lb pull.
A 2.0-ft^3 object weighing 650 lb is attached to a balloon of negligible weight and released in the ocean (γ = 64 lb/ft^3). The balloon was originally inflated with 5.0 lb of air to a press