Learning Objective:Recognizecharacteristics, uses,construction features, andinstallation procedures offlexible hose.2-56.Flexible hose should be used inlocations where it will besubjected to1.intense heat2.severe vibration3.excessive abrasion4.an oily environment2-57.Which of the followinginformation is found along thelayline of synthetic rubber hoseshaving a rubber cover?1.Hose size2.Cure date3.Federal supply code4.All of the above2-58.The size of flexible hose isdesignated In what incrementsmeasured at what place?1.Thousandths of an inch,”outside diameter,2.Thousandths of an inch,inside diameter3. Sixteenths-inch, outside,diameter4.Sixteenths-inch, Insidediameter2-59.The flexible hose that is inertto all fluids presently used andthat does not absorb water iscomposed of what material?1.PTFE2.Natural rubber3.Synthetic rubber4.Rubber impregnated cotton ornylon2-60.You have completed fabrication ofa flexible hose assembly.Which,if any, of the following stepsmust you NOT perform?1.Proof test the assembly2.Ensure that the hose iscompatible with system fluid3.Flush and dry the hose andcap its ends4.None of the above2-61.Mark each of the followingstatements about the correctinstallation and use of flexiblehose as true or false, thenselect the alternative below thatlists the true statements.A. Sharp bends may reduce thebursting pressure of thehoseB. Supports are never requiredwhen the hose is used.C. The hose should be stretchedtightly between connecetions.D. The hose should be wrappedwhere necessary forprotection against chafing.1.A and D2.A and C3.B and D4.B and C 2-62.A characteristic of flexible hoseis that under pressure it will1.2.3.4.expand in both diameter andlengthretain its manufactureddimensionsexpand in diameter andcontract in lengthcontract in diameter andexpand in length15
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