Answered: A simply supported beam L meters long…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

A simply supported beam L meters long carries a uniformly distributed load of 16 kN/m over its entire length and has a T cross-section. The flange is 140mm x 20 mm place and the web is 160 mm by 20 mm.

1. Which of the following most nearly gives the moment of inertia about N. A.?

a. 10.25 x 10⁶ mm⁴

b. 17.23 x 10⁶ mm⁴

c. 22.24 x 10⁶ mm⁴

d. 19.02 x 10⁶ mm⁴

2. Which of the following most nearly gives the value of L to cause a maximum flexural strength of 40 MPa?

a. 1.77 m

b. 2.82 m

c. 3.24 m

d. 4.00 m

3. Which of the following most nearly gives the maximum horizontal shearing stress developed?

a. 24 MPa

b. 38 MPa

c. 45 MPa

d. 32 MPa

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