// LET'S STUDY AVIATION

Let's Study Aviation

Airframe Test A1 and Power Plant Test A4 — pick a subject and test yourself.

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1 8209-1. When a Teflon hose has been in service for a time, what condition may have occurred and/or what pre caution should be taken when it is temporarily removed from the aircraft?

A. The hose interior must be kept wet with the fluid carried to prevent embrittlement/deterioration. B. The hose may become stiff and brittle if not flexed or moved regularly. C. The hose may have developed a set, or have been manufactured with a pre-set shape, and must be supported to maintain its shape.