tech a says that the hammer off dolly method will stretch metal, tech b says the hammer on dolly method with stretch the metal, who is correct?

a technician complains of seeing white spots after welding, tech a says to use a lower number shade lens, tech b says to use a higher number shade lens. who is correct?

a long weld is to be made. after tacking the pieces together, tech a says to complete the weld using a skip weld technique by starting in the middle of the joint and working outwards in both directions alternating welds. Tech b says to set the machine on the pulse setting and complete the weld by welding on the pulse setting in a single direction, who is right?

tech a says that the burn test can be used to identify plastic. Tech b says that the burn test creates toxic fumes. Who is right?

tech a says that most thermosetting plastic can be fusion welded. tech b says that thermoplastic can be fusion welded. who is right?

tech a says that TPO plastics can be repaired using the airless plastic welder. tech b says that TPO plastics can be repaired using adhesives. Who is right?

an estimate has been written for the repair of a car damaged in a front end collision, in which the left frame rail is badly damaged. The estimate allows for 7 hours to repair the rail. However after 7 hours of labor have elapsed the rail still shows hammer marks and signs of distortion. Tech a says a thin coat of body filler will cover the damage and should be acceptable, Tech b says spreading body filler over damage structural parts would only be concealing the damage who is correct/

all of the following safety precautions should be taken when welding except?

Which of the following parts usually should not be removed when evaluating the damage to a vehicle?

tech a says that body filler should be mixed on a non porous surface. tech b says that hardener should be stirred into the body filler, who is right?

all of the following may be sprayed with undercoating except?

which of the following should be sprayed with chip resistant, anti corrosive coating in addition to e coating and top coating?

weld through primer is to be used in which application?

TPO refers to which type of automotive plastics?

Mig brazing is a form of welding that?

cyanoacrylates are?

when performing a single sided plastic repair, a technician should v-out a groove into the plastic body part.

the passenger side front and rear steel doors and fender on a vehicle with a welded steel quarter panel need to be aligned. which of these panels should be aligned first?

the types of sealers intended for use on pinch weld and overlap seams include?