WITH 100% CORRECT ANSWERS
Which of the following could be likely cause for fish-eye contamination?
A. use of old rags for cleaning
B. aftershave or cologne
C. old cleaning solvent
D. humid shop conditions - Answer-A. use of old rags for cleaning
When a vehicle is removed from the booth six hours after painting, the gloss has
diminished. Painter A says too much flash time was allowed. Painter B says the booth
filters should be changed. Who is right?
A. Painter A only
B. Painter B only
C. Both A and B
D. Neither A or B - Answer-B. Painter B only
A urethane bumper cover peeled its paint six months after the car was painted. Which
was the most probably cause?
A. wrong paint was used
B. improper bake time
C. mold release agent remained on the part
D. someone leaned against the bumper - Answer-C. mold release agent remained on
the part
When applying a medium blue metallic color coats to a panel and an adjacent bland
panel, a technician sees a red cast to the color. Painter A says to add several grams of
the aluminum metallic tint to the mixture. Painter B says to over reduce the mixture.
Who is right?
A. Painter A only
B. Painter B only
C. Both A and B
D. Neither A or B - Answer-D. Neither A or B
To avoid the formation of a tape edge in a doorjamb, a technician should:
A. sand the edge and polish after the paint application is cured
B. back mask the doorjamb and create a softer edge
C. spray the doorjamb entirely
D. none of the above - Answer-B. back mask the doorjamb and create a softer edge
An MSDS is:
A. a mid solids primer
, B. a mid coat sealer
C. a material safety data sheet
D. none of the above - Answer-C. a material safety data sheet (SDS- Safety Data
Sheet)
A clear coat finish has an orange peel condition. Painter A says a dual action sander
can be used to remove the texture. Painter B says the panel can be re-sprayed. Who is
right?
A. Painter A only
B. Painter B only
C. Both A and B
D. Neither A or B - Answer-C. Both A and B
The air pressure at the inlet of the HVLP gun is normally between:
A.10-30 psi
B.30-50 psi
C.50-70 psi
D. none of the above - Answer-B:30-50 psi
Which of these is LEAST likely to cause wheel burn when buffing or polishing a top
coat?
A. cold shop conditions
B. use of an abrasive compound
C. insufficiently cured paint
D. using a high speed polisher - Answer-A. cold shop conditions
At what temperature can urethane coats be force dried?
A. 300 degrees F
B. 120 degrees F
C. 170 degrees F
D. none of the above - Answer-C. 170 degrees F
Fish-eyes appear on a complete refinish job. The car was thoroughly washed with a
wax and grease remover. Painter A says the fish-eyes were caused by tire dressing
being used in the shop. Painter B suspects the source of contamination is the
compressed air supply. Which painter is right?
A. Painter A only
B. Painter B only
C. Both A and B
D. Neither A or B - Answer-B. Painter B only
Which is higher in VOC content?
A. acrylic enamel
B. high solids urethane primer
C. acrylic lacquer
D. urethane topcoat - Answer-C. acrylic lacquer