Collision and Repair Study Set

When using the hammer and dolly method, a technician should follow the first in, last out rule. This means that when removing a dent or buckle:

A. The technician must start at outside of the damage and work inward to the point of impact or force.

Which of the following should be sprayed with chip-resistant, anti-corrosive coating, in addition to E-coating and top coating?

A. floor pan

You are using a hot air welder to repair a plastic part that requires long, continuous welds. Which type of welder nozzle should you use?

A. speed tip

Which of the following is NOT a lift device used to move window glass?

A. wedge gear

All of the following safety precautions should be taken when welding EXCEPT:

B. Keep the work cable as far from the weld site as possible

A Technician complains of seeing white spots after welding. Technician B says to use a higher number shade lens. Who is right?

B. Technician B only

A car has had the front sheet metal replaced. The fender-to door gap is wider on the passenger side than on the driver side and the hood appears as shown above. Technician A says that only the hood latch is misaligned. Technician B says the front structure of the vehicle is not dimensionally correct. Who is right?

B. Technician B only

A car is brought into the shop after an authorization to commence work is obtained from the customer. Having been stored outside for week and being covered with bird droppings, Technician A says the car needs to be washed with a solvent prior to commenceing work. Technician B says the car needs a wash with water and detergent first. Who is right?

B. Technician B only

A customer brings her car back to the shop after collision repairs were performed to the front of the vehicle. She says there is water leak at the retractable sunroof and says the problem did not exist prior to the accident. Technician A says to order a new weather-strip for the sunroof. Technician B says to check the drains inside the sunroof assembly. Who is right?

B. Technician B only

After a repair to the front end of a unibody vehicle, in which structural work was performed and a away condition was corrected,the sheet metal is being fitted to the car. After installing the fenders and hood, a problem arises in the shape and size of the gaps be-tween the left fender is nearly touching the hood. Technician A says the problem could be corrected by reaming the bolt hole on the fender flange,thus allowing gap to be made uniform with the opposite side. Technician B says the car should be measured to see if the sway condition was corrected. Who is right?

B. Technician B only

An estimate is written for the repair of a car dam-aged 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 the 7 hours of labor have elapsed, the rail still shows hammer marks and signs of having been bent. Technician A says a thin coat of body filler will cover the damage and should be acceptable. Technician B says spreading body filler over damaged structural parts would only be concealing the damage. Who is right?

B. Technician B only

Because HSS (High strength Steel) is so sensitive to heat, Technician A says oxyacetylene welding is the method of choice, although MIG welding is also an option. Technician B says HSS welding should be done with a MIG welder or a resistance spot welder. Who is right?

B. Technician B only

Technician A says that the burn test can be used to identify plastic. Technician B says that burn test creates toxic fumes. Who is right?

B. Technician B only

Technician A says that the hammer-off-dolly method will stretch the metal. Technician B says that ham-mer-on-method will strech the metal. Who is right?

B. Technician B only

When removing a door skin, Technician A syas an air chisel should be used to separate the welded door skin from the door skin hem flanger. Technician B says a grined should be used to grind away the edge of the door skin.Who is right?

B. Technician B only

Glass setting tape needed for a moveable glass repair. The length of the tape should be?

B. The length of the glass channel

TPO refers to which type of automotive plastic?

B. Thermal polyolefin

The types of sealers intended for use on pinch-welds and overlap seams include:

B. heavy-bodied

Technician A says stitch-tamp plastic welding is used on ABS. Technician B says stitch-tamp plastic welding is used on thermosetting polyurethane. Who is right?

C. Both A and B

Technician A says that padded dashes can be re-paried using the airless plastic welder. Technician B says that padded dashes can be repaired using adhe-sives. Who is right?

C. Both A and B

Technician A says the door striker bolt can be used to set the depth of the front door to a rear door. Technician B says the door striker bolt can be used to set the depth of the door to a quarter panel. Who is right?

C. Both A and B

Technician A says the shielding gas used for MIG welding aluminum is 100% argon gas. Technician B says the shielding gas used for MIG welding other metals is typically a combination of 75% argon and 25% carbon dioxide. Who is right?

C. Both A and B

Technician A says the strength of a resistance spot weld is determined by the size and length of the welding arms and tips and the amount of welding current. Technician B says the strength of a resistance spot weld is determined by the pressure applied by the tips.

C. Both A and B

Technician A syas that because we cannot know where the HSS(High Strength Steel)is located on the vehicle, all sheet metal should be treated as HSS. Technician B says the body repair manual will some-times identify those parts that are made of HSS. Who is right?

C. Both A and B

The identifying marks on a plastic part are so worn down they cannot be read, and therefore cannot be used to identify a plastic. Technician A says you can determine the type of plastic by cleaning an area of the damaged part and seeing if one of the plastic welding rods will stick to it. Technician B says you determine the type of plastic by making small circular wafers from the repair materials and comparing their flexibility of the part being repaired. Who is right?

C. Both A and B

When preparing a vehicle for repairs, Technician A says deactivating the airbags should be among one of the first steps taken. Technician B says the air-conditioning refrigerant should also be recovered at this time, but only a certified technician. Who is right?

C. Both A and B

All of the following are true statements regarding sealers EXCEPT:

C. Brush able seam sealers are used on body seams where appearance is critical.

When using a water test to locate leaks around glass, you should do all of the following EXCEPT:

C. Locate the leak by looking for bubbling at the window gasket.

STRSW (Squeeze-Type Resistance sport welding) is recommended by some vehicle manufacturers for the replacement of which of the following panels?

C. Roof panels

When performing a plastic weld, all of the following factors important EXCEPT:

C. Temperature of the filler rod

A thin layer of what substance should first be placed on metal to prevent the coats of metal filler from balling up and falling off the metal?

C. metal filler

The amount of electrode stickout can affect all of the following EXCEPT:

C. size of the weld

When coats of filler of are applied to metal, about how thick should each coat be?

C. ¼ inch

A long weld is to be made. After tacking the pices together, Technician A says to complete the weld us-ing a skip weld technique by starting in the middle of the joint and working outwards in both directions, alter-nating welds. Technician 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?

C.Both A and B only

STRSW) Squeeze-Type Resistance Spot Weld) strength is determined by:

D. All of above

The working time of plastic filler is determined by:

D. All of the above

The corrosion protection provided by the E coat electro-deposition primer) can be best restored by:

D. Both B and C

An insurance appraiser writes an estimate on the repair of a door indicating the replacernent of the outer panel and a repair to the door frame. Once the outer skin is removed, technician discovers damage to the intrusion beam. Techincian A says the repair to the beam is included in the provison for the repair of the door frame. Technician B says it is not, and a separate procedure and line item on the bill is called for. Who is right?

D. Neithe A or B

36. The driver's side window of a vehicle needs to be put back into place with an adhesive. Technician A says the glass hardware should be reinstalled before putting the glass in place with the adhesive. Technician B says that hardware should be reinstalled while the glass adhesive is curing. Who is right?

D. Neither A or B

A late model vehicle sustains a serious front-end collision that results in both its energy absorbers being compressed. Technician A wants to immediately remove and replace the energy absorbers. Technician B says that instead, holes should be immediately drilled in the absorbers so they can be better evaluated before checking the manufacturer's recommendations. Who is right?

D. Neither A or B

A plastic part made of thermosetting polyurethane must be repaired. Technician A says that because the plastic is thermosetting it cannot be repaired and the entire part be replaced. Technician B says the plastic can be repaired using an airless welding method called melt-flow technique. Who is right?

D. Neither A or B

Metal fillers contain different ingredients that pro-vide fillers with special properties. Technician A says petroleum gives fillers more moisture resistance. Technician B says wax gives fillers more moisture resistance? Who is right?

D. Neither A or B

Primer is to be placed on a vehicle after a serious accident. Technician A suggests a serious accident. Technician A suggests a lacquer primer be applied on all areas of the vehicle. Technician B believes lacquer primers would be better placed only near the door and seams where some corrosion is already beginning to show. Who is right?

D. Neither A or B

While performing a plastic weld, a technician runs out of the necessary welding rod type. Technician A says he can be identify and correctly match another welding rod by knowing only the rod manufacturer. Technician B says he only has to know the rods identifying color scheme. Who is right?

D. Neither A or B

When aligning a door that has removed and repaired, how much of the door must be assembled for a proper fit?

D. The entire door must be assembled

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

D. shocks and struts

Technician A says that most thermosetting plastics can be welded. Technician B says that no thermoset-ting plastics can be welding. Who is right?

D.Neither A or B

Weld through primer is to be used in which application?

On bare metal only

When performing an adhesive plastic repair, Tech-nician A says an adhesion promoter is necessary if the base plastic is ground and it melts and smears. Technician B says the adhesion promoter is needed on on plastics that do not melt and smear when ground. Who is right?

A. Technician A only

The move able glass on a vehicle is connected to a sash using the bolt-through method. The glass needs to be adjusted. Technician A says to make the adjustment on the fasteners holding the sash to the guide channel. Technician B says the adjustment should be made on the fasteners holding the sash to the glass. Who is right?

A. Technician A only

The car shown above has adjustable door hines. Technician A says the gap can be adjusted by reposi-tioning the hinges. Techinician B says the gap can be adjusted by shimming the hinges. Who is right?

A .Technician A only

All of the following may be sprayed with undercoating EXCEPT:

A. Catalytic converter

When adjusting a fender to fit the surrounding sheet meatal components on the front end of a unibody vehicle one must not:

A. Ream out or enlarge fender flange mounting

Technician A is about to section an SMC panel us-ing a piece of scrap panel as a backing.Technician B says uni-directional cloth saturated with the adhesive could be used as a backing.Who is right?

A. Technician A only

Technician A says that with the tack welding tip in place on the hot air welder, a welding rod is not neces-sary to tack weld plastic parts. Technician B says that a plastic welding rod is still needed. Who is right?

A. Technician A only

Technician A says welding electrode wire an AWS (American Welding Society) code of ER70S-6 will produce the best overall quality welds in a variety of positions on mild steel. Technician B says the 70 refers to the tensile strength of the wire, which in this case would be 7,000 lbs. Who is right?

A. Technician A only

Rough cutting can be done with the oxyacetylene torch if enough room is left to trim the heat-affected-area. How much is needed?

C. 4 inches

A panel is being prepared for MIG welding.Technician A says to remove all coatings, paints, primers and so on from the weld area.Tecahnician B says not re-move the galvanized coating. Who is right?

C. Both A and B

A technician needs to adjust the hinged glass on a van. Which of the following is an acceptable adjustment method?

C. Both A and B

Adjusting a deck lid for height sometimes means shimming the hinge mounting. Technician A says a correct method for shimming the hinge mounting is to place the shim beneath the bottom bolt to raise the rear edge. Technician B says to place the shim beneath the top bolt to raise the rear edge. Technician B says to place the shim beneath the top volt to raise the hinge side of the panel. Who is right?

C. Both A and B

After body filler is applied to a repaired steel panel, the technician allows 30 minutes for curing. Once the 30 minutes has passed, the technician attaches a piece of 80- grit sandpaper to an orbital sander and be- gins to shape the filler. The sandpaper, however, quickly clogs with a gummy substance and only gets worse as more force is applied by the technician on the sander. Technician A says a coarser grit should have been selected for the initial contouring. Technician B says the filler should have been shaped with a cheese grater file before sanding was begun. Who is right?

C. Both A and B

Technician A says after removing an SMC door skin, he may to make cuts in the part of the door skin that frames the window. Technician B says he should refer to the manufacturer's instructions for these sectioning procedures. Who is right?

C. Both A and B