The MOST-Likely Method Used to Clean Ferrous Parts Such as the Block

question 22

Multiple Choice

The MOST-Likely method used to clean ferrous parts such as the block, heads, and sometimes crankshafts and connecting rods is:

• A)soda blasting
• B)shot blasting
• C)abrasive cleaning
• D)bead blasting

---

Definitions:

Expected Frequency

The anticipated count in each category of a contingency table under the assumption that the null hypothesis is true, used in chi-square tests.

Null Hypothesis

The null hypothesis is a statement in statistical analysis that proposes no significant effect or no difference as the outcome of an experiment or study.

Level of Significance

The probability threshold under which the null hypothesis is rejected in hypothesis testing, denoted as alpha.

Null Hypothesis

A default position that there is no difference or effect in a particular situation, used as a starting point for statistical hypothesis testing.