What part is used to prevent the lubricant from leaking out of the housing of a straight roller axle bearing?
A. oil seal
B. grease seal
C. rubber seal
D. flange
Answer: B
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Formed elements that are nucleated and capable of amoeboid movement are
A) leukocytes. B) chondrocytes. C) thrombocytes. D) erythrocytes. E) melanocytes.
When a seed starts to grow into a plant, this is called ____________________
Fill in the blank(s) with correct word
A positive phase angle shifts a wave in which direction?
A. to the right along the time axis B. down along the vertical axis C. up along the vertical axis D. to the left along the time axis E. phase angle changes do not shift a wave left/right or up/down
A voltage-to-current converter is used in applications where it's necessary to have an output load current that is controlled by ________
A) input resistance B) input voltage C) input frequency D) output resistance