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1.A thin wire ring, 3 cm in diameter, is lifted from a water surfaceat 20 C (DEGREE CENTIGRADE). Neglecting the wire weight, what isthe force required to lift the ring? is this a good way to measuresurface tension? should the wire be made of any particularmaterial?
2.Determine the volume of an object that weighs 200 N in water and300 N in oil (s = 0.88). What is the specific weight of theobject?
3.Velocity component increase linearly with time
V = Kxt i - Kyt j + 0k
find and sketch , for a few representative times, the instantaneousstreamlines.
An aluminum link is subjected to axial tension. The loading is limited by the conditions of not yielding and not elongating excessively. The yield limit is satisfied if the stress remains below 50%of the 325M Payield stress.
chromate waste is concentrated by evaporation in a series of shallow flow through reactor tanks connected by a short
A well installed into a confined aquifer with a porosity of 0.3 and saturated thickness of 80 ft. The gravel pack requires a well screen slot width of 0.025 inches. The hydraulic conductivity of the aquifer is 60 ft/d.
(a) At what angle did the player have to shoot the cue ball so that the eight ball entered the pocket at C? (b) In what direction did the cue ball move after the collision? (c) What percentage of its kinetic energy did the cue ball impart to the e..
A city with 28,000 percent population is planning solid waste program. Population growth in the city is estimated to be 2.2% annually and the planning will designed for 30 years, The dumping area is located 20km away from the city.
A large tank is used to calibrate the reading from a flow meter. Measurements of the system weight as a function of time are made. Water enters the tank vertically from the flow metering system at a speed of 20 ft/sec through a 1.5 in.
A body weighing 120 lb with a flat surface area of 2 ft^2 slides down a lubricated inclined plane making a 30 degree with the horizontal. For a viscosity of 0.002 lb*s/ft^2 and body speed of 3 ft/s, determine the lubricant film thickness.
Determine the differential settlement between the centre line of the ring beam and under the centre of beam. The inner and outer radii of the ring beam are 8m and 12m respectively.
An equal tangent vertical curve connects a -2% and a +3% grade. The low point of the curve is at elevation 297.88 ft. If the PVI is at elevation 295 ft, what is the design speed of the curve
Benefits associated with a project are $10,000 forever starting in year 1. The costs are $20,000 in year 0 and $20,000 in year 3. What is the B/C ratio at i=12% per year. First determine present worth for benefit and cost, respectively.
If the quantity of ash released from the power plant each minute were to be eventually despersed in 4,000,000 m^3 of air at 25 degrees Celsius and 1 atm, what would be its concentration expressed in ppm
using the stress transformation quations only,given a stress state where sigma x=6500 psi,sigma y= 17,300 psi and tau xy=2900 psi, determine the principal stresses,the principal angle and the maximum shear stress.
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