The switch shown is designed to close as the temperature rises causing AB and CD to expand and making point E come in contact with point F. Arm AB is made of steel with a CTE of ast = 12x10-6/ °C, and arm CD is made of aluminum with a CTE of aa = 24x10-é /°C. At 20 °C, arm BDE is vertical as shown. Determine the required gap, s, (at 20 °C) if the switch is to close at 120 °C, knowing that LBD = 400 mm and LDE = 160 mm. Express your answer in mm to the nearest 0.001 mm. E D
The switch shown is designed to close as the temperature rises causing AB and CD to expand and making point E come in contact with point F. Arm AB is made of steel with a CTE of ast = 12x10-6/ °C, and arm CD is made of aluminum with a CTE of aa = 24x10-é /°C. At 20 °C, arm BDE is vertical as shown. Determine the required gap, s, (at 20 °C) if the switch is to close at 120 °C, knowing that LBD = 400 mm and LDE = 160 mm. Express your answer in mm to the nearest 0.001 mm. E D
Materials Science And Engineering Properties
1st Edition
ISBN:9781111988609
Author:Charles Gilmore
Publisher:Charles Gilmore
Chapter1: Introduction
Section: Chapter Questions
Problem 13ETSQ
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Question
![The switch shown is designed to close as the temperature rises causing AB and CD to expand and
making point E come in contact with point F. Arm AB is made of steel with a CTE of ast = 12x10-6/
°C, and arm CD is made of aluminum with a CTE of aa = 24x10-é /°C. At 20 °C, arm BDE is vertical
as shown. Determine the required gap, s, (at 20 °C) if the switch is to close at 120 °C, knowing that
LBD = 400 mm and LDE = 160 mm. Express your answer in mm to the nearest 0.001 mm.
E
D](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6c8979d8-92eb-4f8e-b3c8-2d132b46cf92%2F90355026-3098-4473-9133-0c3cbd37296c%2F1euz02.png&w=3840&q=75)
Transcribed Image Text:The switch shown is designed to close as the temperature rises causing AB and CD to expand and
making point E come in contact with point F. Arm AB is made of steel with a CTE of ast = 12x10-6/
°C, and arm CD is made of aluminum with a CTE of aa = 24x10-é /°C. At 20 °C, arm BDE is vertical
as shown. Determine the required gap, s, (at 20 °C) if the switch is to close at 120 °C, knowing that
LBD = 400 mm and LDE = 160 mm. Express your answer in mm to the nearest 0.001 mm.
E
D
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