How Can the Risk of Fire Because of Static Electrical

question 46

Multiple Choice

How can the risk of fire because of static electrical discharge in the presence of O₂ be minimized?

• A) Use only wool or polyester fabrics in the area of use.
• B) Keep O₂ concentrations well below 21%.
• C) Maintain high relative humidity in the area of use.
• D) Keep O₂ in high-pressure storage cylinders.

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Definitions:

Chi-Square Distribution

A statistical distribution that is used to determine the goodness of fit of an observed distribution to an expected one under the null hypothesis.

Critical Value(s)

Specific point(s) on a distribution curve that define the threshold for rejecting the null hypothesis in hypothesis testing.

Level Of Significance

A threshold in hypothesis testing below which the null hypothesis is rejected, indicating statistical significance.

P-Value

The probability of obtaining a test statistic at least as extreme as the one observed during a test, assuming the null hypothesis is true.