All of the Following Statements with Respect to Sealed and Serviceable

question 32

Multiple Choice

All of the following statements with respect to sealed and serviceable bearings are true, EXCEPT:

• A) Sealed bearing assemblies are prefilled with lubricant and have integrated grease seals unlike serviceable bearings.
• B) In serviceable bearings proper running clearance needs to be adjusted whereas in sealed bearing it is manufactured with clearance.
• C) Sealed bearing assemblies do not need periodic maintenance unlike serviceable bearings.
• D) Sealed bearing assemblies cannot fail at any time, whereas serviceable bearings can fail.

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Definitions:

Matched Samples

Pairs of samples that are intentionally matched or paired based on certain characteristics before conducting an experiment or analysis.

Independent Samples

Samples drawn from populations in such a way that the sample values selected from one population are not influenced by those selected from the other population.

Significance Level

The significance level, often denoted by alpha, is the probability of rejecting the null hypothesis when it is actually true, used as a threshold in hypothesis testing.

Typing Speeds

The rate at which an individual can type, usually measured in words per minute (WPM).