These are often referred to as sleeve, journal bearings, or bushings, and their use is based on a sliding action between parts.

a. plain bearings
b. rolling element bearings
c. thrust bearings
d. radial bearings


a. plain bearings

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Electronic measurers use ____________________ to measure straight line distances

Fill in the blank(s) with correct word

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How many CSI metrics are defined in 5G NR (LTE has 3)?

A. 4 B. 7 C. 5 D. 6

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What is a dump zone in a zoned air system?

A) The location where exhaust air exits the building B) The area where refrigerant is vented while reducing system capacity during low-load operation C) The area immediately under a supply register D) An area used for dumping excess air and capacity when only one zone is calling

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Loads that typically require a special permit include all of the following EXCEPT:

A. bridge construction girders B. livestock C. machinery D. buildings

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