Question 10 (Mandatory) (3 points)
42 in long nylon engine support has a CTE 2.0\times 10^(-4) i(n)/(i)nF. When heated from
room temperature at 65 degrees to operating temperature at 190 degrees, what is
the change in length in inches?
0.05
0.025
0.5
0.2525
Question 11 (Mandatory) (3 points)
The nylon has a modulus of 1.2^(*)10^(6) psi. Based on the strain, what is the stress
generated?
30000
3000
60000
600000
Question 12 (Mandatory) (2 points)
The nylon has a yield stress 25,000 psi. Does this part fail?
Yes
No