Answered: wood Bending 120 MPa 10MPA 80 MPa steel…

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

An experimental beam is composed of the three materials shown. The materials are firmly fastened together so that there is no relative movement between them. Allowable stresses are:

1. Which of the following gives the moment of inertia with respect to neutral axis of the equivalent wood section?

a. 580.45 x10⁶ mm⁴

b. 480.45 x10⁶ mm⁴

c. 670.45 x10⁶ mm⁴

d. 540.50 x10⁶ mm⁴

2. Which of the following gives the maximum moment that can be applied so that allowable bending stress of aluminum will not be exceeded in kN.m?

a. 49.8

b. 33..8

c. 71.5

d. 54.5

3. Which of the following gives the maximum moment so that the given allowable bending stresses will not be exceeded in kN.m?

a. 49.8

b. 71.1

c. 33.8

d. 60.5

steel
aluminum
wood
Bending 120 MPa 10MPA 80 MPa
stress
200GPA 10GPA 70GPA
Steel
[20 mm
150 mm
Waad
Aluminum
50 mm
80 mm

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