Term
The two basic methods of case hardening are |
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Definition
carburizing and nitriding |
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Term
annealing copper is done by |
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Definition
heating to a bright orange color and then quenching in cold water |
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Term
aircraft bolts are usually manufactured with a
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Definition
class three fit for the threads |
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Term
AN aircraft bolt diameter come in increments of |
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Definition
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what is the part number of a 1/4 inch diameter bolt with a length of 3/4 inch? The bolt is made of nickel steel and is cad plated. It has no cotter pin hold in the shank and has safety wire holes in the head |
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Definition
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Term
what is the part number of a 2117 rivet with a diameter of 1/8 inch and a length of 1/4 inch? The rivet has a dimple on its head. The head shape is countersunk |
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Definition
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Term
which alloy is called an icebox rivet |
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Definition
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Term
an AN5-7 aircraft bolt is |
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Definition
5/16 inch in diameter and 7/8 inch long |
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Term
AN clevis bolt lengths come in increments of |
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Definition
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Term
when installing a self locking nut on a bolt, what is the max amount of threads that can be showing beyond the nut? |
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Definition
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Term
When threads in a casting are damaged |
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Definition
they may be repaired by a helicoil insert |
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Term
Unless otherwise specified or required, aircraft bolts should be installed so that the bolt shank is |
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Definition
downward or in a rearward direction |
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Term
aircraft screws are usually manufactured with a |
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Definition
class 2 fit for the threads |
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Term
the length of an AN24-22 is |
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Definition
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Term
Common Cadmium plated AN bolts are manufactured from
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Definition
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Term
plain washers are available in aluminum, corrosion resistant steel and cadmium plated steel |
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Definition
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Term
how can you tell an extra flexible cable from a non flex cable? |
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Definition
Strand to bundle ratio 7x19 is an extra flexible cable 7strands per bundle and 19 bundles per cable |
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Term
an AN960 is a ______ washer |
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Definition
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Term
an AN4-6 aircraft bolt is |
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Definition
1/4 inch in diameter and 3/4 inch in length |
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Term
what effect if any, does the reheating of a heat treated metal have? |
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Definition
could significantly alter the metals properties in the reheated area |
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Term
what is the strength of steel after it has been annealed? |
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Definition
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Term
which aluminum alloy designation indicates the metal recieved no hardening or tempering treatment? |
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Definition
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Term
what is the core material of 2024-T4 |
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Definition
solution heat treated aluminum |
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Term
What may happen to a metal as a mechanical force is repeatedly applied to it at room temperature |
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Definition
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Term
Of the following, which is a close tolerance bolt |
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Definition
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Term
how is the locking feature of the fiber-type self locking nut obtained |
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Definition
by the use of a low temperature fiber locking insert |
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Term
fiber type locking nuts must never be used on an aircraft if the bolts are subject to what? |
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Definition
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Term
what type of screws are used with tinnerman nuts |
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Definition
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Term
bolt grip lengths should be what length to the material thickness being fastened together? |
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Definition
same as the thickness of the material that is being fastened together |
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Term
True or False:
Aluminum alloy bolts smaller than 1/4 inch in diameter shold not be used in primary structural members |
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Definition
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