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determine the Allowable Stress Design (ASD) reference and adjusted design values for the following members and loading conditions. All members are No. 2 Hem-Fir and are fully braced to prevent lateral-torsional buckling. Bending occurs about the strong axis.
a. Roof joists are 2×10 at 16 in o.c. which directly support the roof sheathing. Loads are (D+S).
b. A 6×14 carries an equipment load that can be considered a permanent load.
c. Purlins in a roof are 4×14 at 8ft o.c. Loads are (D+Lr)
d. Floor beams are 4×6 at 4ft. o.c. Loads are (D+L). High-humidity conditions exist, and the moisture content may exceed 19 percent.
The magnetic declination of 1986 was 5 degrees 15 minutes. The magnetic bearing of a line was N 89 degrees 49 minutes W. At todays present the magnetic bearing of a line is S 88 degrees 20 minutes W.
Determine the magnitudes of the additional loads that must be applied at B and F if the resultant of all six loads is to pass through the center of the mat.
Set up a table showing curve elevations at the PVC, at the PVT, and at the half-station points along the curve. Compute the station and elevation of the curve turning point.
What is the length of a 200 ft. steel tape having a cross-sectional area of 0.004in2 and a modulus of elasticity of 30,000,000 lb/in2 that is standardized at a tension of 20 lb and a temperature of 68°F
A 500 lb flywheel is shown. A 100 lb block is held by a light cable wrapped around the hub of the flywheel the radius of which is 2 ft. If the system is released from rest and the weight has a velocity of 11 ft/sec after 5 s
Blood is flowing through an aorta of 1.0 cm diameter at an average velocity of 50 cm/s. The mean pressure is 100 mm Hg, The blood enters a stenosis where the aortic diameter is 0.5 cm. What is the appropriate pressure at the point of maximum steno..
Wishing to use pine wood in a construction project a technician finds the density of Eastern White Pine is 0.373 g/cm^3 or g/cc. What is the wood's density in pounds per cubic foot
Show that the drinking water standard of 10 mg/L nitrate as nitrogen is equivalent to 45 mg/L nitrate. How is nitrate related to TN and TKN?
Given that uniform flow is subcritcal and there is a constriction in a rectangular channel, how do you determine what the constricted width would be to force the flow to be critical. Draw this transition on a specific energy curve.
A major relining of the combustion vessel will occur during the fifth year at a cost of $30,000. If the interest rate is 15% per year, what is the lump-sum equivalent cost of this project at the present time
Peg P is driven by the fork link OA along the curved path described by r = (2*theta) ft. At the instant theta = pi / 4, the angular velocity and angular acceleration of the link are (theta-1dot) = 3.0 rad/sec and (theta-2dot) = 1.1 rad/sec^2
What is the concentration of MLVSS in the activated sludge (mg L-1)
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