1) Which of the following is a Rolling Element? a) Ball b) Roller c) Ruller d) Needle roller. e) Brass f) Barrel roller 2) Select advantages of anti-friction ball and roller bearings. a) Capable of high speeds. b) Dependence on suppliers for availability. c) Elimination of shaft and journal wear.

Таблица лидеров

Визуальный стиль

Параметры

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