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Select an ST shape to be used as a 20-ft long tension member to resist the following service loads: Dead load=38kips live load=115 kips and snow load= 75 kips. The connection is through the flange with 3/4inch diameter bolts in each line. Use A572 Grade 50 Steel.
a. Use LRFD
B. Use ASD.
What are the important findings in Austin Road Co. v. OSHRC and Builders Steel Co. v. Marshall? Your response should be approximately 200 - 300 words and include a reference citation for your response.
a 20 mgd wastewater treatment plants primary clarifier influent has 800 mg/l solids. the clarifier removes 18 percent of the solids. the sludge flow rate is 0.070 MGD. (a) what is the solids concentration of primary clarifier sludge
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.
Crude oil, with specific gravity SG=0.85 and viscosityμ = 2.15×10−3 lbf sec/ft2, flows steadily down a surfaceinclined θ = 30 degrees below the horizontal in a film ofthickness h=0.125 in. The velocity profile is given by u =ρg/μ(hy − y2/2)sinθ
A system consists of liquid oxygen in equilibrium with oxygen vapor. How many phases are present The system undergoes a process during which some of the liquid is vaporized.
A 2-ft diameter circular pipe has a Manning's n of 0.013 and a bed slope of 2.0 X 10^-3. What is the uniform flow rate in this pipe if it is completely full (Qf) in ft^3/s
A compressor installed at a whalf (for loading container ships) is able to provide 6 bar.g pressure into the pressure reciever. The compressor is moved to a site that is 5000 ft above sea level (atmospheric pressure 0.85 bar.a
Divide the sodium hydroxidecharge into 10 smaller charges, and add them one at a time, makingsure that each is well mixed and the tank temperature has stoppedincreasing before adding the next charge.
A small aircraft with a wing area of 250 ft2 and a weight of 2200 lb has a lift coefficient of 0.4 and a drag coefficient of 0.05. 1) How much power is required to maintain straight and level flight
calculate the amplitude F0 of the sinusoidal excitation force that is necessary to produce a steady-state vibration with a velocity amplitude of 10 m/s at resonance
The owners wish to achieve an initial acceleration from rest of 22 ft/(sec^2) on a level paved surface. What is the minimum coefficient of road adhesion needed to achieve this acceleration
the most famous geyser in the world old faithful in yellowstone national park has a mean time between eruptions of 85
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