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AT 205 Exam 1 Questions and Answers 2024/2025 $11.49   Add to cart
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AT 205 Exam 1 Questions and Answers 2024/2025
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What is a stress-strain graph? What are the important points on this graph?  Young's Modulus stress vs. strain. Points: YM, Yield Point, Ultimate Yield Point, and Fracture Point What is statics?  The branch of mechanics concerned with the study of forces in equilibrium. The analysis of...

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  • October 10, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • at 205 exam 1 questions and answers
  • what is a stress strain graph what are the import

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2 0 2 4 /2025 | © copyright | This work may not be copied for profit gain Excel!


AT 205 Exam 1 Questions and Answers
2024/2025
What is a stress-strain graph? What are the important points on this graph?

 Young's Modulus stress vs. strain. Points: YM, Yield Point, Ultimate Yield Point, and
Fracture Point


What is statics?

 The branch of mechanics concerned with the study of forces in equilibrium. The analysis
of loads acting on physical objects that do not experience an acceleration


Define the Poisson Ratio. Explain it.

 The change in x over the change in y, or the transverse strain over the longitudinal
strain. Unit-less.


What are the differences between Jet-A and 100LL?


 Jet-A: Turbine fuel, kerosene based, 6.7 lbs/gallon, low octane, low flammability,
straw color. 100LL: Piston engine fuel, gasoline based, 6 lbs/gal, high octane, higher
flammability, blue color.


What is Young's Modulus? Explain why is important.

 Measure of the stiffness of a solid material. The ratio of stress to strain. Stress: the
amount of load carried by each unit of cross sectional area of part. Strain: how much a
material deforms when a load is applied to it.


Know how to calculate volume of objects


 Volume of sphere = 4/3*pi*r^3


What happens to metals when you increase their temperature?



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