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Autobody Technician Year 3 > Exam 2 > Flashcards

Exam 2 Flashcards

1
Q

________ roll buckles on combination type panels are not unrolled equally as is done on double and single crowned panels.

A

Collapsed

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2
Q

______ quench the hot spots before the metal has turned _____; otherwis, the metal will crystallize, harden and possibly crack.

A

Never quench

Black

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3
Q

Roughing out is also reffered to as ________.

A

Unlocking

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4
Q

When discing to do the work of the file, a _______ action is recommended.

A

Crosscut

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5
Q

All buckles are unrolled __%, then __% and so on, until they are all ___% completed at approximately the same time.

A

10%

20%

100%

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6
Q

In X filing, new scratch marks cross the previous ones at a __° angle.

A

45°

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7
Q

The word _______ also means that the metal has shrunk internally as well as dimensionally.

A

Collapsed

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8
Q

The damage created by a _____ buckle is usually minor.

A

Hinge

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9
Q

Aluminum has elastic qualities similar to those of steel, but aluminum elasticity is much _____.

A

Lower

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10
Q

___ bars are used to pry out damaged areas that cannot be reached with a dolly.

A

Pry

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11
Q

Small low spots can be raised by using the side or edge of the face of the ____ hammer first.

A

Pick hammer

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12
Q

_______ is used to bring a panel back to its original position, therby restoring the metal back to its proper contour and thickness.

A

Shrinking

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13
Q

Never drive up a ______, whether it is a roll or hinge buckle. This is called ______ the back of the buckle, and severe additional damage is bound to occur in the form of collapsed roll buckles.

A

buckle

breaking

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14
Q

The force of the hammer blows and the amount of arm pressure exerted against the dolly determine the rate and amount of _______ that will occur in the area.

A

Stretching

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15
Q

The hammer-___-dolly method is generally recommended for aluminum panel straightening.

A

Hammer-off-dolly

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16
Q

_______ damage is damage that cannot be detected or seen until dismatling takes place.

A

Hidden damage

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17
Q

______ hammer-__dolly is used to smooth and level small surface irregularities left in the damaged metal after the area has been roughed out and brought back to its original shape.

A

Light Hammer-on-dolly

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18
Q

Metal _______ is the operation of relieving stresses and strains in a panel caused by damage in the form of crevices or crowns.

A

Bumping

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19
Q

Do not disk off the panel for the first time unless you can remove __% to __% of the paint without turning the disk on ____ to get out paint from low areas.

A

80-90%

Edge

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20
Q

The ______ the shrink, the harder it is to control panel warpage.

A

Larger

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21
Q

Before attempting to heat shrink aluminum, apply a heat crayon to the metal that will change color at about ___°F (400°C)

A

750°F

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22
Q

Both ridges and ______ contain work hardening, with the amount depending on the degree of bend.

A

channel

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23
Q

When _______ the top part of the disc is used, the grinder is moved up and down on the panel with each cut slightly overlapping the last.

A

Buffing

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24
Q

Hiddden damage can be direct or indirect damage, but is usually _______.

A

indirect

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25
\_\_\_\_\_\_\_\_\_ is done by using the top part of the disc and moving the grinder back and forth from left to right.
Crosscutting
26
\_\_\_\_\_\_\_ damage should always be the last part of the damage to be repaired.
Direct damage
27
A _____ buckle is a more severe type of damage than a hinge buckle, and considerable impact force is required to create this type of buckle.
Roll buckle
28
When filing relatively flat panels, either hold the file at a \_\_° angle and push it straight or hold it straight and push at a \_\_° angle to the line of travel.
30° 30°
29
A _____ pick will raise a larger area per blow, but is ______ to see.
Blunt pick Harder
30
\_\_\_\_\_\_ can be used in a number of ways, such as to pry out dents.
Spoons
31
Creases in enclosed body panels that cannot be accessed from the back side can be pulled out with a _____ hammer.
Slide hammer
32
\_\_\_\_\_\_\_\_ is used for; paint removal, fast rough cutting of sheet metal and grinding down welds.
Crosscutting
33
\_\_\_\_\_\_\_\_ drills come in sizes that are determined by the size of the chuck or diameter of the chuck when its fully opened.
Electric drills
34
Roughing out is the step in which the dimensions are established and commonly stated as getting _______ alignment.
Perimeter
35
When pulling a crease with pull pins, work the crease out from the _________ end to the \_\_\_\_\_\_.
Shallowest deepest
36
\_\_\_\_\_\_\_\_ plastic body filler is used to eliminate minor surface irregularities.
Aluminized
37
\_\_\_\_\_\_\_\_ cannot be done until all rough out is complete.
Finishing
38
\_\_\_\_\_\_\_ ____ buckles are the most severe type of buckle to repair.
Collapsed Roll Buckles
39
If the crease is accessible from the inside, a ___ bar or a body _____ are excellent tools for repairing creases.
Pry bar Body spoon
40
A simple roll is also called a \_\_\_\_\_\_.
Ridge
41
The pivot point, or hinge, has been bent past its ______ limit and ____ hardened, preventing the relatively undamaged elastic metal on the sides from returning to their original position.
Elastic limit Work hardened
42
Hold the grinder no more than \_\_°
20°
43
All buckles are _______ damage.
indirect
44
\_\_\_\_\_\_ damage is damage caused by making contact, and shows as a gouge, scratch or tear.
Direct
45
The hammer-\_\_\_-dolly method is used to straighten or move damaged metal.
Hammer-off-dolly
46
\_\_\_\_\_\_\_ lines are flanges or partial boxed sections used along the edges of panels to incorporate added strength.
Perimeter lines
47
\_\_\_\_\_\_\_\_ out is one of the first steps in shaping a metal panel.
Roughing out
48
Metal is heated in a shrinking operation to make it \_\_\_\_\_\_\_.
Ductile
49
\_\_\_\_\_\_\_\_ damage is all other damage except direct damage.
Indirect
50
A _______ sanding stick or block has a special shape to match the body lines or panel contours for specific model cars
Contour
51
Do not heat the metal past a _____ red. It will start to melt, and you may burn a hole.
Cherry Red
52
When using a hacksaw, the recommened number of teeth per inch for sheet metal work is approximately __ to \_\_.
24 to 32
53
Do not _____ finish any one panel until _ panels are completly roughed out.
Metal finish all
54
During repair, ____ buckles are unrolled and _____ buckles are opened; otherwise severe additional damage will result.
Roll buckles Hinge buckles
55
The greater the pressure exerted on the grinder, the faster it will cut. True or False
False
56
Space each hammer blow \_/\_" to \_/\_" apart until the damaged metal is level.
3/8" to 1/2"
57
In cross-filing, new scratch pattern marks are filed across the previous one at a \_\_° angle.
90°
58
When shrinking, bring the cone of the flame straight down to within \_/\_" (3.2mm) of the metal and hold it steady until the metal starts to turn red.
1/8"
59
\_\_\_\_\_\_ ____ buckles can be identified by the familiar arrow design formed.
Collapsed roll buckle
60
\_\_\_\_\_\_\_\_\_ lines are ridges and channels that are stamped into the panels in order to incorporate additional strength.
Control lines
61
\_\_-\_\_\_\_\_\_\_ is reserved for shrunken and collapsed buckles and for welds.
On-dollying
62
The flatter the panel, the ______ the shrink used.
Smaller
63
Do not break the back of the gouge by _______ it to the surface; keep it low.
Raising
64
The outer panels of a vehicle can be classified as one of three types; _____ crowned, ______ crowned or ________ crowned.
Single Double Combination
65
There are two methods to use with your hammer when shrinking. 1. 2.
Hammer around the hot spot Hammer on the hot spot
66
The buckle that is the most severe and in the crowned area is roughed out or unrolled \_\_\_\_\_\_.
First
67
When using a grinder, hold the grinder so that _ 1/2" to \_" of the disc touch the metal surface.
1 1/2" to 2"
68
95% of all problems related to polyester filler are caused by \_\_\_\_-\_\_\_\_\_\_\_\_.
Over-catalyzation
69
The more pressing required when shaping the original panel, the _______ it is.
Stronger
70
\_\_\_\_\_\_\_\_\_\_\_\_\_ damage is damage that has no predominate buckle, gouge, scratch or tear.
Miscellaneous
71
\_\_\_\_\_\_\_\_ responds very rapidly to on-dolly hammering; however, there is always the danger of overstreching the metal.
Aluminum
72
Start filing in the undamaged area on one side and progress accross the damaged metal to the _________ metal on the opposite side.
Undamaged
73
Flat, low crowned metal must be _______ more than straightened.
Protected
74
When discing to remove file marks and so on, either _______ or ______ can be used.
Crosscut Buffing
75
\_\_\_\_\_\_ hammer-\_\_-dolly blows are used to thin and flatten damaged areas of metal that are severely folded or buckled.
Heavy Hammer-on-dolly
76
When heat shrinking aluminum make certain the heat applied is kept below \_\_\_°F (425°C)
800°F
77
For shrinking, the most commonly used tool, however, is the oxyacetylene torch with either a #\_ or #\_ tip.
#1 or #2
78
\_\_\_\_\_\_\_\_ hammers or ______ hammers should be used for the final shaping and smoothing of the metal.
Finishing Hammers Dinging Hammers
79
On bare metal surfaces, imperfections that cannot be seen can be located by _______ the surface with your hand.
Feeling
80
\_\_\_\_\_\_\_ are formed when automotive sheet metal is bent beyond its elastic limit and becomes permanently deformed.
Buckles
81
When disking before shrinking the metal, a _______ action is recommended, crossing the area from several directions.
crosscut
82
When disk sanding an aluminum panel, use nothing coarser than __ grit.
80 grit
83
To use a surform file, hold it at a \_\_° angle and pull it lightly accross the semi-hard filler to rough out the shape.
30°
84
Grasp the hammer about \_\_\_\_\_-\_\_\_\_\_\_\_\_ of the way down the handle from the head.
Three-quarters
85
If it is a \_\_\_\_\_, scratch or \_\_\_\_, it is direct damage, no matter where it is.
Gouge, scratch or tear
86
\_\_\_\_\_\_\_ damage makes up the greater part of the average collision damage.
Indirect
87
The metal is _______ within a collapsed hinge buckle.
shrunk
88
\_\_\_\_\_\_\_ hammering is the operation of releiving stresses and strains in a panel caused by damage in the form of ridges or buckles
Spring
89
The _____ or cheese grater file is used to cut the excess filler to contour quickly.
Surform
90
Bench grinders are rated by _________ and grinding stone size.
Horsepower
91
92
The terms _____ and ___ describe how the damage occured while _____ and _______ describe what happened to the steel during the creation of the buckle.
Hinge and Roll Simple and Collapsed
93
As a general rule, for each golf ball sized lump of filler, use a \_" bead of cream hardener.
1"
94
A hinge is also called a \_\_\_\_\_\_\_.
Channel
95
\_\_\_\_\_ buckles are always located in crowned metal because crowns are what causes them.
Roll buckle
96
Never \_\_-\_\_\_\_\_ any damage in low crowned or flat areas.
on-dolly
97
Electric grinders usually operate with speeds upward of ____ RPM.
5500 RPM
98
If mixing a baseball size of filler use a \_" bead of hardener.
6"
99
A ______ buckle is the bending point or pivot point where a crease or channel is formed between relatively undamaged areas of metal.
Hinge
100
An oil can in a metal panel indicates a ___ spot.
High spot
101
\_\_\_\_\_\_\_\_\_\_ ______ buckles are simply hinge buckles in which the hinging occurs in a boxed or ________ boxed construction instead of flat metal.
Collapsed hinge buckles partially
102
To pull out a crease with a slide hammer, resistance weld a number of pull pins along the length of the crease, approximately \_/\_" apart.
3/4"
103
Apply numerous ____ coats rather than one ____ coat of body filler.
Thin coats Thick coat
104
Pulling out any roll buckle with power equiptment must be done by setting up the pull at \_\_°
90°

Autobody Technician Year 3 (4 decks)

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