Knowing that a 0.02in gap exists when the temperature is 75°F, determine (a) the temperature at which the normal stress in the aluminum bar will be equal to -11ksi, (b) the corresponding exact length (2 decimal places in 10-3 inches) of the aluminum bar. 0.02 in. 14 in. 18 in. Bronze Aluminum A = 2.4 in² E = 15 × 106 psi a = 12 × 10-6/°F A = 2.8 in² E = 10.6 × 10° psi a = 12.9 × 10-6/°F

Knowing that a 0.02in gap exists when the temperature is 75°F, determine (a) the temperature at which the normal stress in the aluminum bar will be equal to -11ksi, (b) the corresponding exact length (2 decimal places in 10-3 inches) of the aluminum bar. 0.02 in. 14 in. 18 in. Bronze Aluminum A = 2.4 in² E = 15 × 106 psi a = 12 × 10-6/°F A = 2.8 in² E = 10.6 × 10° psi a = 12.9 × 10-6/°F

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

Knowing that a 0.02in gap exists when the temperature is
75°F, determine (a) the temperature at which the normal stress
in the aluminum bar will be equal to -11ksi, (b) the
corresponding exact length (2 decimal places in 10-3 inches) of
the aluminum bar.
0.02 in.
14 in.
18 in.
Bronze
Aluminum
A = 2.4 in?
E = 15 × 10° psi
a = 12 × 10-6/°F
A = 2.8 in²
E = 10.6 × 10° psi
a = 12.9 × 10-6/ºF

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