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ARC321 Final Exam 2006 KEY NO PHOTOS

ARC321 Final Exam 2006 KEY NO PHOTOS - ARC321 2006 Final...

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ARC321 2006 Final Exam 200 Points Name Key Instructions: Read the entire question. Answer every question. Some multiple choice questions have more than one apparent correct answer. You must choose the MOST correct answer. If you answer a question with more than one answer, that question will be graded as incorrect. If you make a mistake and wish to change your answer, you must make certain that I know what answer is the one you want graded. Place your name on every page … you will lose one point for every page that you do not place your name on. Questions are 2 points each unless otherwise noted. You are allowed to have one page of notes for the test. No other reference material may be used. You may use a calculator. Do not discuss ANYTHING with your neighbor. Any collusion between students will result in failing grades for ALL students involved. You do not need to return the photos/tables with this exam. ALL EXAMS MUST BE IN MY POSSESSION NO LATER THAN 11:10 AM … NOTE 11:10.01 AM IS TOO LATE. 1. What are the units of strain? None or Unitless 2. What are the units of section modulus In 3 3. What are the units of the modulus of elasticity? LB/in 2 4. What are the units of shear stress? LB/in 2 5. What are the units of moment of inertia? In 4 6. What are the units of radius of gyration? In 7. What are the units of load? Pounds 8. What are the units of stress? LB/in 2 lb/.ft 2 is NOT an acceptable answer since it is ONLY used in soils. LB/in 2 was given in class as the only acceptable answer for ARC321, 322, 323 &424 unless otherwise requested as it is the value ALWAYS used in stress calculations per ASD. 9. What are the units of axial compression? Pounds 10. How does an arch transmit gravity loads? A. By shear B. By tension C. By compression D. By bending E. By flexure F. By deformation G. By deflection 11. How does a truss transmit gravity loads? A. By shear G. By deflection B. By tension H. By axial tension C. By compression I. By axial compression D. By bending J. By axial shear E. By flexure K. H and I F. By deformation L. I and J 12. What is the weight of a structural concrete beam that measures 1’- 6” x 33” x 45’-0”?
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ARC 321 Fall 2006 Page 2 Name 13. There are vertical wires that hold the suspended ceiling up in the 1-109 ARC321 lecture classroom. What is the force on these wires under gravity conditions? A. Shear G. Deflection B. Tension H. B and C C. Compression I. C and D D. Bending J. Axial shear E. Flexure K. H and I F. Deformation L. I and J
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