SOLUTIONS(GRADED A+)
Which parts of a unibody vehicle structure help to keep passengers safe in the event of
a collision? - ANSWERcrush zones
Which of the following mechanical components are commonly found on newer unitized
constructed vehicles? - ANSWERAll of the these
In front-engine, rear-wheel drive unitized vehicles, the engine is mounted -
ANSWERlongitudinally
What type of automobile structure is welded and/or bonded into one unit? -
ANSWERunibody
Which of the following is not an advantage of unitized vehicle design? -
ANSWERLocalized collision damage to components
The ___ are the large, side body sections that extend from the side doors back to the
rear bumper. They are welded in place and form a vital part of the rear body structure. -
ANSWERquarter panels
Which of the following frame designs are no longer used in automobile manufacturing? -
ANSWERladder
___ construction uses body parts welded together to form an integral frame. -
ANSWERunibody
In a front-engine, front-wheel drive unibody structure, what panel supports the top of the
MacPherson struts? - ANSWERshock towers
Which type of vehicle construction uses a frame only in areas requiring extra support
and a strong attachment point? - ANSWERSemi-unitized stub rail construction
Technician A says that a unibody structure directly affects vehicle wheel alignment.
Technician B says that a vehicle's unibody structure does not affect vehicle wheel
alignment. Who is correct? - ANSWERtechnician A
Which of the following are designed to stiffen a unibody structure? - ANSWERcross
members and bracing
Technician A gives a more thorough damage analysis to a unibody vehicle than to a
conventional frame vehicle. Technician B says the conventional frame vehicle requires
the more thorough inspection. Who is correct? - ANSWERtechnician A
, Which type of steel is most often used in new vehicle structural components? -
ANSWERhigh strength steel
A dented panel cannot be accessed from the rear for straightening with a hammer and
dolly. Technician A says to drill holes in the panel and use screws to pull out the
damaged sheet metal. Technician B says to avoid drilling holes in panels, because this
will damage the panel and its corrosion resistance. Who is correct? -
ANSWERtechnician B
An object has hit a fender and placed a dent in it. Technician A says to hit the center of
the dent from the back with a dolly first to drive out the deepest part of the dent.
Technician B says to use a dolly and hammer to work the dent out, starting at the
perimeter and working inward to the deepest part of the dent last. Who is correct? -
ANSWERtechnician B
Which kind of spoon can be used instead of a hammer? - ANSWERslapping spoon
Technician A says that aluminum has a lower melting point than steel. Technician B
says that you should use a temperature-sensitive crayon when heating aluminum since
it does not glow cherry-red right before it melts. Who is correct? - ANSWERBoth A and
B
Technician A says that 20 percent of sheet metal damage is direct damage. Technician
B says that bent metal is not necessarily buckled metal. Who is correct? -
ANSWERboth A and B
What grit of sandpaper should be used to remove paint down to bare metal quickly? -
ANSWER36 grit
If too little hardener is used, the filler - ANSWERwill not adhere to the metal.
Metal conditioner is - ANSWERall of the above.
Technician A grinds welds in a patch panel nearly flush with the body panel surface
before filler application. Technician B does not grind welds in the patch panel before
filler application. Who is correct? - ANSWERtechnician A
Technician A uses a body file to initially level high spots in body filler. Technician B says
to use a high-speed grinder first. Who is correct? - ANSWERtechnician A
Once a ding has been properly filled and leveled, Technician A uses a dual action
sander to featheredge the surrounding paint edges. Technician B uses a block sander.
Who is correct? - ANSWERBoth a and b
The first step in repairing nicks is - ANSWERdewaxing