Biodiesel Review

Which of the following can be considered a biodiesel?

• biodiesel

• ethanol

• methanol

• all of the above

How do I calculate the X-bar for a set of samples?

• Maximum value - minimum value

• Average of all samples

How do I calculate the R-bar for a set of samples?

• Maximum value - minimum value

• Average of the ranges of a sample

Tags

NGSS.HS-LS3-3

In which case, would a process be out of control, when reading a control chart?

• Points above the UCL or below the LCL

• Points sitting on the centerline

• Points that "hug" the centerline

Given the following data, calculate BOTH the mean and the range:

6, 10, 18, 20

• Mean: 17

  Range: 14

• Mean: 14

  Range: 7

• Mean: 13.5

  Range: 14

• Mean: 14

  Range: 13.5

How do I find the values of A₂, D₃, and D₄?

• Using the number of samples, look at a reference chart

• Using the number of samples - 1, look at a reference chart

• Using the number of samples + 1, look at a reference chart

When creating control charts, which values are fixed in the formulas?

• R bar

• X bar

• A₂, D₃, D₄

• A₂ and D₅

Why might a process be out of control?

• Calculation error

• Tool wear

• Change of material

• All of the above

What types of materials are used to create biodiesel?

• Fats, Oils, and Greases

• Vegetable Oil

• Used Oil

• Diesel fuel

Why is safety equipment a MUST when creating biodiesel?

• The chemicals can cause illness and injury.

• The chemicals can ignite.

• The chemicals can cause loss of vision.