As an engineer you are asked to evaluate the feasibility of a device which operates in a temperature cycle (Option A: from initial stress-free conditions at 120 °C down to 50 °C). The critical component of the device contains an aluminium plate clamped between two rigid endplates. At the start of an operating cycle the working temperature is 120 °C. The tensile strength of aluminium is ~100 MPa and the modulus is 70 GPa. You are also presented with the option B) to recommend the lower temperature be raised to 70 °C. What do you recommend?
As an engineer you are asked to evaluate the feasibility of a device which operates in a temperature cycle (Option A: from initial stress-free conditions at 120 °C down to 50 °C). The critical component of the device contains an aluminium plate clamped between two rigid endplates. At the start of an operating cycle the working temperature is 120 °C. The tensile strength of aluminium is ~100 MPa and the modulus is 70 GPa. You are also presented with the option B) to recommend the lower temperature be raised to 70 °C. What do you recommend?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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20)
Transcribed Image Text:As an engineer you are asked to evaluate the feasibility of a device which operates in a temperature
cycle (Option A: from initial stress-free conditions at 120 °C down to 50 °C). The critical component of
the device contains an aluminium plate clamped between two rigid endplates. At the start of an
operating cycle the working temperature is 120 °C. The tensile strength of aluminium is ~100 MPa and
the modulus is 70 GPa. You are also presented with the option B) to recommend the lower
temperature be raised to 70 °C. What do you recommend?
Select one:
a. Do not recommend A, recommend B
O b. Recommend A, do not recommend B
O c. Do not recommend A, do not recommend B
O d. Recommend A, recommend B as well
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