ANSWER ALL QUESTIONS For Questions 1 13, circle the letter preceding the correct

Question

ANSWER ALL QUESTIONS For Questions 1 13, circle the letter preceding the correct response. Every correct answer is 2 points. 1. The simple property of a beam cross-section that most directly affect the bending resistance is the beam's A. Moment of inertia Section Modulus C. Width D. Area 2. A basic difference between the factored load (strength) method of structural design and the working stress method is that the strength method uses Lower values of allowable stress B. Design loads higher than the service loads C. Service load level stress investigation D. Only elastic stress conditions of response Spanning roof and floor structures have similar; however, in comparison to floors, roofs are ordinarily not required to provide for 3. A. Clear-spanning to create interior spaces B. Limited vertical deflections C. Direct relations to support systems ? Deflection rigidity responsive to traffic loads When the required moment exceeds the balanced moment capacity of a reinforced concrete beam, an acceptable solution is to 4. A. Add more tension reinforcement B. Use stirrups for shear reinforcement C. Add compressive reinforcement D> Use steel with a higher yield strength

Explanation / Answer

1) A. moment of inertia

2) B

3) D

4) C

5. A) Shear

6. C) indicates a weak material.

7. B)

8. B) Yield strength

9. D)

10. C)

11. A)

12) B

13) D

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