Quiz 1b solution

# Quiz 1b solution - Name(PRINT Mechanical Engineering...

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Unformatted text preview: Name (PRINT) August 30, 2012 Mechanical Engineering Technology 100 MET4141: Machine Design I (section 002) QUIZ 1 Note: Closed book. No other material is allowed except a calculator. Time allowed 30 minutes. Each question carries equal weight. Must show necessary calculations to get full credit. Always write the units in your answers. Draw a rectangular box around each answer. 1. The normal and shear stresses ox = 10 ksi, oy = 40 ksi and T = -10 ksi are acting on a stress element. Draw the corresponding Mohr’s Circle. Determine the principal normal and shear stresses, and the angles at which they occur relative to the X axis. Identify all these on the diagram. Must show all axes and must label it completely. [50] Page I You may work on the back side, if needed -) Name (PRINT) August 30, 2012 2. The beam shown is loaded as indicated. (a) Find the reaction forces RA and RB. (b) Draw the V and M diagrams just below this diagram. P: 2000 N, w0=2000 N/m. Distances a = 0.2 m, 0.1 m, c = 0.4 m, and d = 0.2 m. Show any calculations necessary. ~ [30] \$.23 . 3:“ W.,,M..,m.w..m.....s;w. .. Page 2 You may work on the back side, if needed —> Name (PRINT) August 30, 2012 3. The L-bracket is loaded as shown. A is a pin and B is a roller with point contact. a) Find the reaction forces A. (show any and all free body diagram, equilibrium equation set up and all calculations with units.) [20} Page 3 You may work on the back side, if needed -) ...
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• Fall '12
• MirAtiqullah

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