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ASE Collision Repair & Refinish

B2 Collision — Painting & Refinishing — practice test

Studying for B2 (Collision — Painting & Refinishing)? Overhaul Prep has 157 verified B2 questions written to the current task list — in the same formats the real exam uses (direct, Technician A/B, EXCEPT and most-likely-cause). Every answer comes with a written explanation, so you learn why instead of memorising a letter.

157B2 questions
100%with explanations
9,711questions in total
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Sample B2 questions

Straight from the bank — answers highlighted, with the explanation underneath.

When using a wax and grease remover on a panel before refinishing, the correct procedure is to:

  1. Apply it with one cloth and wipe it off with a second clean cloth before it dries
  2. Allow it to air-dry on the surface so the solvents fully flash off
  3. Apply it only after the panel has been sanded, never before
  4. Pour it into the paint cup and spray it through the gun for even coverage
WhySolvent-based cleaners must be applied and then wiped off with a separate clean cloth before they evaporate; if allowed to dry they simply redeposit the dissolved wax, oil, and silicone back onto the surface. Cleaning is done both before and after sanding.

Two technicians discuss cleaning a panel before refinishing. Technician A says wax and grease remover should be used before sanding so contaminants are not ground into the surface. Technician B says it should also be used again after sanding to remove residual contamination before priming or painting. Who is correct?

  1. Technician A only
  2. Technician B only
  3. Both Technicians A and B
  4. Neither Technician
WhySolvent cleaning is done both before sanding (so grinding does not drive wax and silicone into the substrate) and after sanding (to remove any contamination exposed or left behind). Both technicians describe correct practice.

A refinished panel is still soft, dull, and easily marked 24 hours after it was sprayed and baked. The MOST likely cause is:

  1. Air pressure at the gun was too high
  2. The material was mixed with too little activator/hardener, or the wrong hardener
  3. The booth was too warm
  4. The final sanding grit was too fine
WhyA 2K film cures by chemical cross-linking. Short or incorrect hardener leaves an under-cured, soft, low-gloss film that will also die back and remain vulnerable to solvent attack.

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