Word%20Pro%20-%20q4spr2005_key4714

# Word%20Pro%20-%20q4spr2005_key4714 - Quiz 4 EMA 4714 -...

This preview shows pages 1–2. Sign up to view the full content.

Quiz 4 EMA 4714 - Materials Selection and Failure Analysis KEY Monday, March 21, 2005 1. [30 points] The group 6 materials selection presentation contained a number of flaws, any one of which could be fatal. You will recall that their project dealt with a customer need involving keeping Firehouse Sub take-outs as hot and fresh as their sit-down product. ± Their objective - “minimize heat transfer through packaging [Q = k c A( T/ x)]” ± Their constraint - “minimize thickness (mass) of packaging material [m = Aw ρ ]” ± Their free variable = “A” ± Their derived performance index - “Q = ( T)(m/t 2 )(k c / ρ )” ± Their conclusion - “to minimize Q, maximize ( ρ /k c )” Your mission, nearly impossible to be sure, is to [1] find the flaws generated by group 6, [2] fix them and [3] suggest a more reasonable performance index which is consistent with the revised objectives and constraints you have come up with. *************************************************************************** “Flaws”

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

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

## This note was uploaded on 10/19/2011 for the course EMA 4714 taught by Professor Staff during the Spring '08 term at University of Florida.

### Page1 / 2

Word%20Pro%20-%20q4spr2005_key4714 - Quiz 4 EMA 4714 -...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online