ConceptCheck8

ConceptCheck8 - 208 Concept Check 8.1 Question Cite two...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
208 Concept Check 8.1 Question: Cite two situations in which the possibility of failure is part of the design of a component or product. Answer: Several situations in which the possibility of failure is part of the design of a component or product are as follows: (1) the pull tab on the top of aluminum beverage cans; (2) aluminum utility/light poles that reside along freeways—a minimum of damage occurs to a vehicle when it collides with the pole; and (3) in some machinery components, a shear pin is used to connect a gear or pulley to a shaft—the pin is designed shear off before damage is done to either the shaft or gear in an overload situation.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
229 Concept Check 8.2 Question: Make a schematic sketch of a stress-versus-time plot for the situation when the stress ratio R has a value of +1. Answer: For a stress ratio ( R ) of +1, then, from Equation 8.17, σ max = σ min This is to say that the stress remains constant (or does not fluctuate) with time, or the stress- versus-time plot would appear as
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 08/15/2010 for the course MIME 262 taught by Professor Chromik during the Fall '07 term at McGill.

Page1 / 5

ConceptCheck8 - 208 Concept Check 8.1 Question Cite two...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online