Certification Exam Practice Questions And

Aerospace Manufacturing Technician Certification Exam Practice Questions And Correct Answers (Verified Answers) Plus Rationales 2026 Q&A | Instant Download Pdf

• What is the primary purpose of an aircraft’s fuselage?
• Generate lift
• Provide propulsion
• House crew, passengers, and cargo
• Stabilize the aircraft

Rationale: The fuselage is the main body of the aircraft that

accommodates crew, passengers, and cargo.

• Which material is most commonly used for aircraft skin due to its high

strength-to-weight ratio?

• Steel 1 / 4

• Aluminum
• Titanium
• Carbon fiber

Rationale: Aluminum alloys are lightweight, strong, and corrosion-

resistant, making them ideal for aircraft skin.

• What type of fastener is commonly used in aerospace to prevent

loosening under vibration?

• Rivet
• Screw
• Lockbolt
• Nail

Rationale: Lockbolts and other locking fasteners prevent loosening in high-

vibration environments typical in aerospace applications.

• What is the primary function of a torque wrench in aircraft assembly?
• Measure length
• Drill holes
• Apply precise torque to fasteners
• Cut materials

Rationale: Proper torque ensures fasteners are tight enough to maintain

structural integrity without over-tightening.

• Which aerospace manufacturing process is used to shape metals by

applying compressive forces without removing material? 2 / 4

• Machining
• Forging
• Welding
• Casting

Rationale: Forging deforms metal into the desired shape using compressive

forces, increasing strength.

• What is the main purpose of anodizing aluminum parts?
• Reduce weight
• Increase ductility
• Increase corrosion resistance
• Improve thermal conductivity

Rationale: Anodizing forms a protective oxide layer on aluminum,

improving corrosion resistance.

• In composite layup, what is the function of the resin?
• Provide structural fibers
• Bind fibers together and transfer loads
• Remove moisture
• Harden the mold

Rationale: The resin matrix binds fibers together, ensuring the composite

bears structural loads effectively.

• Which non-destructive inspection method uses high-frequency sound

waves to detect internal flaws in metal? 3 / 4

• Radiography
• Magnetic particle
• Visual inspection
• Ultrasonic testing

Rationale: Ultrasonic testing sends sound waves through a material and

detects internal defects from reflected signals.

• What is the purpose of a jigs and fixtures in manufacturing?
• Cut materials automatically
• Hold and guide parts for consistent machining
• Lubricate tools
• Inspect final parts

Rationale: Jigs and fixtures ensure accuracy and repeatability during

machining and assembly.

• Which welding process is most commonly used for aluminum

aircraft structures?

• Stick welding
• TIG welding
• MIG welding
• Arc welding

Rationale: TIG (Tungsten Inert Gas) welding provides precise, high-quality

welds for thin aluminum components.

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