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25 Cards in this Set
- Front
- Back
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What are the two basic types of hose used in military aircraft and related equipment?
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Synthetic rubber and Teflon®.
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What material is used to cover a Teflon® hose?
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Braided stainless steel wir
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How is a synthetic rubber hose identified?
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Indicator stripe and markings stenciled along the length of the hose
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A hose fitting consists of what separate parts?
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Nipple, socket, swivel nut or flange, and the sleeve
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What color is an aluminum alloy 2024 hose fitting?
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Blue
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How are commercially manufactured hose assemblies identified?
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Identified by a band near one end of the assembly
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How are locally fabricated hose assemblies identified?
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Hose assembly identification tag or label
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What type of cover is used to protect a hose assembly that is subjected to high temperatures?
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Firesleeve
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All hose assemblies manufactured in a shop must have what test completed before they are
installed on an aircraft? |
Either a hydraulic or pneumatic pressure test
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What is the first thing you must do when you discover a swivel nut leaking?
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Check for proper torque
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What is the acceptance life for a synthetic rubber hose assembly?
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Eight years (32 quarters) from the cure date
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What is the service life of a synthetic rubber hose assembly that is exposed to the weather, fuel, or heat?
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Seven years (28 quarters).
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How are rigid tubing assemblies sized?
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Outside diameter and wall thickness
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What type of tubing is used in a high-pressure hydraulic system that has 3000 psi or above?
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Corrosion-resistant steel (CRES
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What type of tubing is used for
general-purpose lines? |
Aluminum alloy tubing
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What color is a carbon steel tube fitting?
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Black
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What manual must you refer to when
fabricating a tube assembly? |
NA 01-1A-20
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What is the primary objective when cutting a piece of tubing?
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To produce a square end free from burrs
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What must be done to a tube immediately after it has been cut?
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Remove all burrs
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What is the primary objective when bending a piece of tubing?
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Obtain a smooth bend without flattening the tube
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What are the two types of tube joints used on naval aircraft?
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Flared and flareless
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What is used to lubricate the threads of a hydraulic line prior to installation?
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MIL-H-5606 hydraulic fluid
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What is the preferred cleaner for cleaning a tube assembly?
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Dry-cleaning solvent MIL-PRF-680
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The depth of a dent in a tube assembly must not exceed what percentage of the tubing diameter?
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Twenty percent
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How many different types of repairs can be made on a tube assembly?
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Two, permanent and temporary
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