Non-Structural Analysis & Damage Repair Flashcards

Adhesive bonding of panels is commonly combined with what to ensure strength during cure?

Answer: Rivets or clamping

Rivets or clamps hold bonded panels in position and add strength while the adhesive cures.

What is the main reason for using corrosion-resistant weld-through primer on mating flanges?

Answer: To protect bare metal at the weld joint from rust

Weld-through primer protects the bare metal at the joint from corrosion after welding.

When pulling out a dent with a stud welder, the studs are attached and then what is done?

Answer: A slide hammer pulls the studs outward

A slide hammer attached to welded studs pulls the dented metal back out.

Sanding scratches that are too deep before priming will most likely cause what?

Answer: Scratch marks showing through the finish

Deep sanding scratches telegraph through primer and paint, showing in the final finish.

Which measurement tool compares symmetrical points to detect hidden damage on a panel area?

Answer: Tram gauge

A tram gauge compares symmetrical reference points to reveal misalignment or hidden damage.

Why must paint and undercoatings be removed before welding a panel?

Answer: They produce toxic fumes and weaken the weld

Coatings release toxic fumes and contaminate the weld, weakening the joint.

What is the correct fix for a small surface rust spot before refinishing?

Answer: Sand to bare metal and apply primer

Rust must be sanded to bare clean metal and primed to stop it from returning under paint.