Non-structural

Technician A says that a class "A-B-C" fire extinguisher is used for flammable liquids.

Technician B says that a class "D" fire extinguisher is used for combustible metals.

Who is right?

• A only

• B only

• Both

• Neither

Technician A says that hot air welders may be used on a thermoset plastic.

Technician B says that hot air welders use a filler rod as part of the repair process.

Who is right?

• A only

• B only

• Both

• Neither

After a repair to the B-pillar and a front door replacement, the door drags on the door striker causing additional opening effort. There was no other damage to the vehicle.

Technician A says that the striker may need to be adjusted.

Technician B says that the hinge on the A-pillar may need to be adjusted.

Who is right?

• A only

• B only

• Both

• Neither

Technician A says that when dispensing a two-part expandable foam, a vapor respirator should be worn.Technician B says that if a two-part expandable foam begins to burn, toxic fumes can be generated.

Who is correct?

• A only

• B only

• Both

• Neither

All of these may cause adhesion problems with a polyolefin part EXCEPT:

• applying heavy coats of adhesion promoter

• using a solvent based cleaner

• using aluminum tape

• smearing the plastic when making a repair taper