What Method for Turning Resins into Expanded Plastics Involves Forcing

question 2

Multiple Choice

What method for turning resins into expanded plastics involves forcing pentanes, hexanes, halocarbons, or moistures of these materials into the plastics particles under pressure?

• A) liquid vaporization
• B) whipping air into the resin and rapidly curing or cooling
• C) dissolving a gas that expands at room temperature
• D) thermal breakdown of a chemical blowing agent

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Definitions:

Predicted Value

The value forecasted using a statistical model or algorithm based on current or past data.

Coefficient Of Determination

A statistical metric, typically denoted as R², that measures the proportion of the variance for a dependent variable that's predicted from the independent variable(s) in a regression model.

SSE

Sum of Squared Errors, a measure used in statistical analysis to quantify the discrepancy between the data and an estimation model.

SST

Total sum of squares in statistical analysis, measuring the total variation in the observed data.