Part A If the diameter of a hole is 4.500 mm, what should be the diameter of a rivet at 23.0°C, if its diameter is to equal that of the hole when the rivet is cooled to -78.0°C, the temperature of dry ice? Assume that the expansion coefficient of aluminum is 2.4 x 10-5 (°C)-¹ and remains constant. Express your answer in milimeters to four significant figures. d= Submit 17 ΑΣΦ Request Answer SE ? mm
Part A If the diameter of a hole is 4.500 mm, what should be the diameter of a rivet at 23.0°C, if its diameter is to equal that of the hole when the rivet is cooled to -78.0°C, the temperature of dry ice? Assume that the expansion coefficient of aluminum is 2.4 x 10-5 (°C)-¹ and remains constant. Express your answer in milimeters to four significant figures. d= Submit 17 ΑΣΦ Request Answer SE ? mm
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Transcribed Image Text:Aluminum rivets used in airplane construction are
made slightly larger than the rivet holes and cooled by
"dry ice" (solid CO₂) before being driven.
Part A
If the diameter of a hole is 4.500 mm, what should be the diameter of a rivet at 23.0°C, if its diameter is to equal that of the hole
when the rivet is cooled to -78.0°C, the temperature of dry ice? Assume that the expansion coefficient of aluminum is
2.4 x 10-5 (°C)-¹ and remains constant.
-1
Express your answer in milimeters to four significant figures.
d =
Submit
15. ΑΣΦ
Request Answer
?
Review Constants
mm
Expert Solution
Step 1
Diameter of a hole or rivet at -78 degree Celsius, d=
Length of the rivet at -78 degree Celsius, L=
Expansion coefficient of Aluminum,
The diameter at 23 degree Celsius is to be evaluated, D
The Length of the Rivet at 23 degree Celsius would be L'
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