Identify And Select Rivets And Hatdwear Flashcards
What type of loading should be avoided when using a self-locking nut on an aircraft bolt?
A self-locking nut should not be used for any application where there are any rotational forces applied to the nut or to the bolt.
What determines the correct grip length of a bolt used in an aircraft structure?
The grip length of the bolt should be the same as the combined thickness of the materials being held by the bolt.
How tight should the nut be installed on a clevis bolt that is used to attach a cable fitting to a control surface horn?
The nut on a clevis bolt should not be tight enough to prevent the clevis bolt from turning in the cable fitting and the horn.
What is indicated by a triangle on the head of a steel bolt?
This is a close tolerance bolt.
What is a correct application for self-tapping sheet metal screws on an aircraft?
They may be used to hold non structural components onto the aircraft.
How can you tell when a self-locking nut must be discarded?
When you can screw the nut onto a bolt without having to use a wrench.
What is a channel nut?
A series of nuts mounted loosely in a channel that is riveted to the aircraft structure. You can install screws in a channel nut without having to hold the nut with a wrench.
Of what two materials are cotter pins made?
Low-carbon steel and corrosion-resostant steel.
What is the smallest size cable that is allowed to be used in the primary control system of an aircraft?
1/8” Diameter.
What type of control cable must be used when pulleys are used to change the direction of cable travel?
Extra-flexible cable (7x19).
