Question 6 (1 point)
Increasing the compression ratio in an extruder will decrease the heat generated
True
False
Question 7 (1 point)
Increasing the mass flow rate in an extruder will increase the heat generated
True
False
Question 8 (1 point)
Decreasing the orifice size in an extruder will increase the heat generated
True
False
Question 9 (Mandatory) (3 points)
A 2 in long nylon engine support has a CTE \( 2.0 \times 10^{\wedge}-4 \) in/in* F . When heated from room temperature at 65 degrees to operating temperature at 190 degrees, what is the strain in in/in?
0.05
0.5
0.0025
0.025
Question 10 (Mandatory) (3 points)
42 in long nylon engine support has a CTE \( 2.0 \times 10^{\wedge}-4 \mathrm{in} / \mathrm{in}^{*} \mathrm{~F} \). 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