engr200-t3-f09-solution-grading

engr200-t3-f09-solution-grading - ENGR 200 Exam3 Fa112009...

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Unformatted text preview: ENGR 200 Exam3 Fa112009 Name M3 i i Q ‘4 1) Draw a free body diagram of the triangular dam show below. The weight density of the dam is 3 times the weight density of the water. The coefficient of friction between the dam and the soil at its base is 0.8. Show the location and give the expression for the magnitude of all the forces acting on the dam. ' [/VTij (,4 [7&ka *2 A I LQQQ'TI (3.9" ‘+ 2 U/in [1 1‘ fl hi V MQSV/ [TM/(4L ‘i‘Z > quq'h‘wu} 4:1. FL 5 CT! 0"“: 5C; Vii“; 14 (nova '+ l 6W! i/VLC/L ] E: v¢ «a: O V” V? { . Ur“! Ox (/1 Gv’wflap t a, ‘ ‘- PGIM‘TS ’Tq ENGR 200 Exam 3 Fa112009 Name &j i 9‘4 2) Two 3A in. diameter bolts are used to join the three plates as shown. Given that the axial force on the center plate (P) is 50,000 lbs. and the normal stress is not to exceed 18,000 psi in the plates, compute the minimum with of each plate to satisfy the normal stress requirements. Also find the shear stress on the bolts. Not to scale Qc/cg 088 K ‘43 676/“ 3/ /\l~e.'\'" @qu 03m TQ'LriS/UL; (1707‘ Used? N Z §£1€uv (WI/$5/W7 "TU/'0‘ »—- Wow) 72??) Bei‘hvm‘ V/q‘iu: W 2‘ (\1/5 C35"- LA/IqJQU, ELM/5V“ [VI (3&5th '1‘ LMQJGU’ EVVOV (V1 Nam/wot] g'I‘b/Qgfi “é ggcepfivzrj L3 S Qv S L}ng jz‘I-‘U’QSB (- ENGR 200 Final Exam Fall 20 9 f Name M5231) 27 5]) Circle the correct Mohr’s circle for the following state of stress: I u, y‘ r 053 ‘ M,“ r 00 - I T ;:V (CB ’ a '1. [0 h . t ' ‘U)~ :3 3 Q r i Q {061+ Kick 00 :00 ...
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engr200-t3-f09-solution-grading - ENGR 200 Exam3 Fa112009...

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