MT345, Monday, 11/01/21, O x B Upload Assignment: In-Class E X us.bbcollab.com/collab/ui/session/join/10611646989f4090a279cd39411071f5 SAMPLE PROBLEM 3-10 (IN-CLASS EXERCISE) A pushrod in the valve mechanism of an automotive engine has a nominal length of 203 mm. If the rod is made of SAE 4140 steel, compute the elongation due to a temperature change from -20°C to 140°C. TABLE 3-4 Coefficients of thermal expansion, a, for some metals, plate glass, wood, and concrete. α Material °F-1 °C-1 Steel, SAE 1020 6.5 x 10-6 11.7 x 10-6 1040 6.3 x 10-6 11.3 x 10-6 4140 6.2 x 10-6 11.2 x 10-6 Structural steel 6.5 x 10-6 11.7 x 10 Gray cast iron Stainless steel 6.0 x 10-6 10.8 x 10-6 SAE 201
MT345, Monday, 11/01/21, O x B Upload Assignment: In-Class E X us.bbcollab.com/collab/ui/session/join/10611646989f4090a279cd39411071f5 SAMPLE PROBLEM 3-10 (IN-CLASS EXERCISE) A pushrod in the valve mechanism of an automotive engine has a nominal length of 203 mm. If the rod is made of SAE 4140 steel, compute the elongation due to a temperature change from -20°C to 140°C. TABLE 3-4 Coefficients of thermal expansion, a, for some metals, plate glass, wood, and concrete. α Material °F-1 °C-1 Steel, SAE 1020 6.5 x 10-6 11.7 x 10-6 1040 6.3 x 10-6 11.3 x 10-6 4140 6.2 x 10-6 11.2 x 10-6 Structural steel 6.5 x 10-6 11.7 x 10 Gray cast iron Stainless steel 6.0 x 10-6 10.8 x 10-6 SAE 201
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Transcribed Image Text:MT345, Monday, 11/01/21, O X
B Upload Assignment: In-Class E X
us.bbcollab.com/collab/ui/session/join/10611646989f4090a279cd39411071f5
SAMPLE PROBLEM 3-10
(IN-CLASS EXERCISE)
A pushrod in the valve mechanism of an automotive engine has a
nominal length of 203 mm. If the rod is made of SAE 4140 steel,
compute the elongation due to a temperature change from -20°C to
140°C.
TABLE 3–4 Coefficients of thermal expansion, a, for some
metals, plate glass, wood, and concrete.
α
Material
°F-1
°C-1
Steel, SAE
1020
6.5 x 10-6
11.7 x 10-6
11.3 x 10-6
1040
6.3 x 10-6
4140
6.2 x 10-6
11.2 x 10-6
Structural steel
Gray cast iron
Stainless steel
6.5 x 10-6
11.7 x 10
6.0 x 10-6
10.8 x 10-6
SAE 301
SAE 430
SAE 501
9.4 × 10-6
5.8 x 10-6
16.9 × 106
10.4 x 10-6
v10-6
MT-345_Ch 03.pptx (91/162)
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