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1.The motion of the 2.5-kg rod AB is guided by two small wheels which roll freely in horizontal slots. If a force P of magnitude 8 N is applied at B, determine (a) the acceleration of the rod, (b) the reaction at A and B.
2.A reverse osmosis plant desalinates 5*10^6 L/day of feedwater containing 1500 mg/l of salt, yeilding 3*10^6L/day of product water with 75 mg/l of salt. What would be the salt concentration be in the brine?
3.A pole is held vertically on a soil surface by three equally spaced wires tied to the top of the pole. each wire has a tension of 1kN and is inclined at 45 degree to the vertical. calculate the increase in vertical stress at a depth 1 m below the surface and the amount of elastic settlement below the axis of the pole if E = 40 Mpa and v=0.45
How would you define the coefficient of permeability? Give typical values of the coefficient for: a) fresh cement pastes; b) hardened cement pastes; c) commonly used aggregates;
Think of a situation where CAD is a better choice then traditional drafting. Given multiple ways to input coordinates, is one way better than another? Are there situations where you ell use one method over and other?
Plot the concentration of tracer at the outlet of the each of the two reactors during the first 24 hours of the tracer study. (Hint: You may need to use mass balances to obtain equations that predict the concentration of tracer as a function of time)
establish a grass cover over a 10ha landfill. the root zone of the grass is 40cm deep. increase the volumetric water
Calculate the amount of water that will impact a five acre field from 5 inches of rainfall. Express the answer in gallons and cubic meters.
(a) What are some of the important properties of unalloyed copper that make it an important industrial material (b) How is copper extracted from copper suflide ore concentrates
Ship A leaves port sailing in a direction 60 degree C north of due east and sails for 12 hours at 10 knot . Sheep B leaves the same port 3 hours later and sails due east at 25 knot for 9 hours. How far apart (in nautical miles) are they at this time?..
An intersection approach has three lanes, permitted left turns, and 6% left-turning volume with a through vehicle equivalent of 5.0 tvu/left turn. The saturation flow rate for through vehicles under prevailing conditions is 1,700 veh/hg/ln.
The man has a mass of 65kg and stands motionless at the end of the diving board. If the board has the cross section, determine the maximum normal strain developed in the board. The modulus of elasticity for the material is E = 117GPa
Verify that the Hazen Williams equation
What are the basic differences between the AFL as a labor union and the CIO type of union?
A steel bolt and nut are tightened around an aluminum sleeve. Find the internal forces as the nut is rotated 1 turn
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