Two rods are horizontally fixed to the rigid walls so that there is a gap of 0.008 inch between them when the temperature is 60°F. The following are the properties of the rods: Rod 1 1.25 inches 3.5 inches Property Rod 2 Diameter Length 1.25 in 7.5 inches Thermal Coefficient of 9.4 x10-€ /°F Expansion Modulus of Elasticity 13 x10-6 /°F 18 x 10° ksi 10 x 103 ksi a. What is the average stress in the rods if the temperature is increased to 240°F. b. What is the total deformation of the first rod?

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Two rods are horizontally fixed to the rigid walls so that there is a gap of 0.008
inch between them when the temperature is 60°F. The following are the properties of
the rods:
Property
Rod 1
Rod 2
Diameter
1.25 inches
1.25 in
Length
3.5 inches
7.5
inches
Thermal Coefficient of 9.4 x10-6 /OF
13 x10-6 /°F
Expansion
Modulus of Elasticity
10 x 103 ksi
18 x 103 ksi
a. What is the average stress in the rods if the temperature is increased to 240°F.
b. What is the total deformation of the first rod?
Transcribed Image Text:Two rods are horizontally fixed to the rigid walls so that there is a gap of 0.008 inch between them when the temperature is 60°F. The following are the properties of the rods: Property Rod 1 Rod 2 Diameter 1.25 inches 1.25 in Length 3.5 inches 7.5 inches Thermal Coefficient of 9.4 x10-6 /OF 13 x10-6 /°F Expansion Modulus of Elasticity 10 x 103 ksi 18 x 103 ksi a. What is the average stress in the rods if the temperature is increased to 240°F. b. What is the total deformation of the first rod?
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