​While Discussing a Positive-Displacement Gear Type Pump: Technician a Says

question 48

Multiple Choice

​While discussing a positive-displacement gear type pump: Technician A says use a straight edge and feeler gauge to check gear side clearance. Technician B says normally the maximum clearance is 0.15 inch. Who is correct?

• A)​A only
• B)​B only
• C)​Both A and B
• D)​Neither A nor B

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Definitions:

Dependent Variable

In experimental and statistical research, the variable that is being tested and measured, and is expected to change as a result of manipulations to the independent variable.

Random Assignment

A method used in experiments where participants are assigned to different groups in a manner that ensures each has an equal chance of being placed in any group.

Experimental Group

A group of participants in a study that receives the treatment or intervention being tested, allowing researchers to assess the effect of the treatment.

Statistical Significance

Statistical Significance is a measure of how likely it is that an obtained result in a study is due to chance, used to assess the reliability of the observed differences or relationships in data.