Aircraft Maintenance Fasteners Quiz

What is the primary purpose of threaded fasteners in aircraft maintenance?

• To reduce weight

• To enhance aerodynamics

• To allow disassembly and reassembly

• To provide a permanent bond

Which of the following is a characteristic of fine pitch threads?

• Greater lead than coarse threads

• Stronger crest position

• Used for heavy loads

• Easier to install

What does the term 'major diameter' refer to in screw threads?

• The distance from one crest to the next

• The smallest diameter of the thread

• The distance between the root and crest

• The largest diameter of the thread

Which type of bolt is specifically designed for high-strength applications in aircraft?

• Eyebolt

• General-purpose bolt

• Close-tolerance bolt

• Clevis bolt

What is the function of a cotter pin in aircraft fasteners?

• To provide a locking mechanism

• To enhance corrosion resistance

• To increase tensile strength

• To reduce friction

Which of the following is NOT a type of self-locking nut?

• Castle nut

• Stainless steel self-locking nut

• Boots self-locking nut

• Elastic stop nut

What is the primary difference between a bolt and a screw?

• Screws are used only in non-structural applications

• Bolts have a plain portion on the shank

• Screws are threaded all the way to the head

• Bolts are always longer than screws

In which situation would you use a self-tapping screw?

• For heavy structural applications

• For attaching lighter parts

• For permanent installations

• For securing high-tension loads

What does the abbreviation 'AN' stand for in aircraft bolts?

• Aviation Norm

• American National

• Air Force and Navy

• Aerospace National

Which type of fastener is used primarily in blind applications?

• Clevis bolt

• Anchor nut

• Stud

• Machine screw