A beam having a tee-shaped cross section is subjected to equal 11 kN-m bending moments, as shown. Assume bf= 105 mm, tf = 20 mm, d = 150 mm, tw = 35 mm. The cross-sectional dimensions of the beam are also shown. Determine (a) the centroid location (measured upward from the bottom), the moment of inertia about the z axis, and the controlling section modulus about the z axis. (b) the bending stress at point H (positive if tensile and negative if compressive). (c) the maximum bending stress (positive if tensile and negative if compressive) produced in the cross section. M Answers: (a) y = 1₂= S= (b) 0 = (c) max = M 88.684210526316 14.560153508772 164.179772502473 -31.213522847594 66.999727386236 H mm (10%) mm 4 (10³) mm³ MPa MPa by Cross section 4

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A hole is to be drilled as shown by the circle. Using the part geometry shown below, indicate on the part sketch where locator(s) should be positioned according to the 3-2-1 principle. Use dashed lines to indicate locators on hidden surfaces. Also indicate where clamping force(s) should be applied using arrows. Use the minimum number of clamping forces.

Solve for the indicated value, and graph the situation showing the solution point. The formula for measuring sound intensity in decibels D is defined by the equation D = 10 log (1) using the common (base 10) logarithm where I is the intensity of the sound in watts per square meter and Io = 10-12 is the lowest level of sound that the average person can hear. How many decibels are emitted from a jet plane with a sound intensity of 8.7. 102 watts per square meter? Round your answer to three decimal places. The jet plane emits Number decibels at 8.7. 102 watts per square meter. Select the correct graph of the situation showing the solution point. 200 D 150 100- 50 400 800 1200 1600 2000 400 800 1200 1600 2000 O O 0 200D 150- 100 50 0 200- Subr