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If a 24' tall W 14 x 120 column has simple end connections, determine the maximum design compression strength of the column.
write a paragraph explaining how the relaxation modulus of a plastic material measured in engineering practice. use a sketch.
Determine the specifications (unstretched length and springconstant k) for the elastic cord to be used at a bungee-jumping facility. Participants are to jump from a platform 150 ft above the ground.
At a plant making MSG (monosodium glutamate) for use inAsian cooking the waste stream discharged to a nearby streamcontains 100 mg of glutamic acid(C5H9O4N) per liter.
a cantilever beam is additionally supported using two tierods. Both rods attach to the end of the beam. One rodcomes off at 45 degrees and attaches to the same wall that the beamis solidly fixed to
Determine the force in each of these rods. Neglect axial compression and shear in the beam. For the beam, Ib = 200(106)mm4, and for each tie rod, A = 100mm2. Take E = 200 GPa.
The speed limit for a highway is given as "V" in mph. The highway super elevation is given as "e" in ft/ft. The friction between tires and wet pavement is given as "f".
A jar test has shown that the optimum dose of ferric chlorideconsumes all of the alkalinity. If the amount of the ferricchloride that is in excess is 10 mg/l, how much lime(Ca(OH)2) in mg/l must be
Assuming that the friction force between end A and the surface is large enough to prevent sliding, determine immediately after release (a) the angular acceleration of the rod, (b) the normal reactio
A 40 mm diameter solid brass shaft in a marine vessel is subjected to a simultaneous torsion of T=250 N.m and axial thrust of P=25kN. Show the combined state of stress on the surface element of the s
A combined pitot static tube has a coefficient of 0.98. Thedifferential head reading is 0.874m of water when it is positionedon the centreline of a pipe of constant diameter.
A developer has requested permission to build a large retail store at a location adjacent to the intersection of an undivided four-lane major road and a two-lane minor road. Traffic on the minor roa
A fellow I know wanted to know the coefficient of friction between steel and commercial carpet. The value was not in the tables of any textbook he had, so he devised an experiment.
An L2 steel strap having a thickness of 0.125 in. and a widthof 2 in. is bent into a circular arc of radius 600 in. Determine the maximum bending stress in the strap.
A picture of a man performing a pole vault, and the minimum radius of curvature of the pole is estimated by measurement to be4.5 m. If the pole is 40 mm in diameter and it is made of glass-reinforce
When the pressure drops across the basket strainer by half(i.e., to 0.5 bar after the strainer)at the 100 m3/hr flow rate, itis removed for cleaning. What is the local loss coefficient of thebasket
A circular torus of mean radius R has a thin walled circular cross-section of mean diameter d . Calculate the radius r of the neutral axis for the particular case where R=d
couplings , each with a loss coefficient of k=0.15, are located every 10 m along thehose. the nozzle outlet diamter is d= 25 mm, its minor losscoefficient is k=0.02 based on outlet velocity
Astructural member in a nuclear reactor is made from a zirconiumalloy. If an axial load of 4 kip is to be supported by the member,determine its required cross-sectional area. Use a factor of safety
A completely reversible heat engine operates with a source at 1500 R and a sink at 500 R. At what rate must heat be supplied to this engine, in Btu/h, for it to produce 5 hp of power
Use A992 steel (Fy=50ksi). In the plane perpendicular to the frame, the system is braced with supports at the top and bottom. Use stiffness reduction factor τ to determine effective length k
It is estimated that 60% of the annual precipitation in a basin with a drainage area of20,000 acres is evaporated. If the average annual river flow at the outlet (runoff) is 2.5 cfs, determine the a
The point of dicharge is 5 m abovethe floor, and friction losses in the 50 mm pipe from the resevoirto the tower amount to 2.5 J/kg. At what height in the resevoirmust the water level be kept if the
The minimum teperature anticipated is 60 deg. F and the absolute viscosity (μ) is 2.359 x 10-5lb*s/ft2. Determine the diameter (ft) if two rapid-mixbasins are operating in parallel with a depth o
You are to perform a dynamic pile load test on a24-inch OD open ended homogeneous pipe pile. The pile has a shellthickness of 0.5 inch and is 80 feet long. Calculate: Compression wave velocity(hint: