Exam 2

Question 1

Although pulling equipment comes in a variety of shapes and styles, it all has just one function: to apply a _______ force to correct collision damage.

Answer 1

Controlled

Question 2

When heating the damaged area on the side with the buckle, heat the buckled area. On the opposite side of the buckle: heat an area that is approximately ____ to ____ times the size of the buckled area.

Answer 2

Five

Seven

Question 3

____ body sectioning is the most severe or extensive form of reworking the passenger compartment.

Answer 3

Full body

Question 4

The pulling forces must never be ______ than the combined anchoring force.

Answer 4

Larger

Question 5

When doing a butt joint with insert the width of the gap depends on the thickness of metal, but ideally it should not be less then 1/__” or more than 1/_”.

Answer 5

1/16”

1/8”

Question 6

Make the first pull a _______ pull.

Answer 6

Multiple

Question 7

_________ cuts across most of the major load bearing paths in a car.

Answer 7

Clipping

Question 8

A-pillars should be sectioned near the _______.

Answer 8

Middle

Question 9

Cold stress relieving involves the use of ______ hammering.

Answer 9

Spring

Question 10

Most unibody repairs demand ________ pulls at once.

Answer 10

Multiple

Question 11

Once primers are opened they only have a shelf life of about _ week

Answer 11

1 week

Question 12

Prepare the roof panel assembly and vehicle body with offset butt joints at the _-pillars, butt joint with insert or combination butt with lap joint at the _-pillar and offset lap joints at the _-pillars.

Answer 12

A pillar
B pillar
C pillar

Question 13

A _______ gauge attached to your pulling equipment can be very useful in monitoring the pulling process.

Answer 13

pressure

Question 14

A BOF vehicle can usually be straightened and realigned with a series of ______-_______ pulls.

Answer 14

Single-direction

Question 15

A high speed ________ wheel can be used to seperate spot welded panels. Use this technique when the weld is not visible with a drill.

Answer 15

Grinding

Question 16

Use the ____ saw type of cutter when the replacement panel is on top.

Answer 16

Hole saw type

Question 17

Make the pulls a _____ at a time, _____ the stress, always take a __________.

Answer 17

Little
Relieve
Measurements

Question 18

Stress relieving is necessary to help control _________.

Answer 18

Springback

Question 19

You will deal with 3 general types of primary structural components
1
2
3

Answer 19

Closed sections
Hat channels
Single-layer flat components

Question 20

Multiple or multi-directional pulls are used to repair _____ vehicles.

Answer 20

Unibody

Question 21

You need to realign the grain of the metal to what it was before the collision. This is called _____ relieving.

Answer 21

Stress

Question 22

All continuous welds must be made in increments of 13 mm to 19 mm (1/2” to 3/4”) maximum. This is known as _____ welding.

Answer 22

Stitch

Question 23

An example of a bench system is the _______.

Answer 23

Celette

Question 24

The MVSS states that when a vehicle with no passenger air bags is involved in a frontal collision of 48 km/hr, __ % of the front windshield be retained in the body opening. For vehicles with airbags no less than __% be retained.

Answer 24

75%

50%

Question 25

_____ hardness is the firmness of a material or its ability to flex.

Answer 25

Shore hardness

Question 26

Ensure the ___ level is topped up before using the pump.

Answer 26

Oil

Question 27

The most effective way to perform the pull procedure is to approach the operation as though it is done with your ____ hands.

Answer 27

Bare

Question 28

Use a ___ grinder when the weld is not accessible or if removing an existing MIG weld.

Answer 28

Die Grinder

Question 29

Glass is considered structural if it is installed with polyurethane _______.

Answer 29

Adhesive

Question 30

Follow a _______ plan to correct collision damage.

Answer 30

Repair

Question 31

When sectioning a floor pan, whenever possible section on top of a _____ member.

Answer 31

Cross member

Question 32

Ensure couplers are ______ to each other and never force couplers to mate to each other.

Answer 32

Matched

Question 33

There are two types of anchoring systems for unibodies, 1. 2.

Answer 33

Pinch weld clamps | Mechanical or suspension mounts

Question 34

Installation temperatures should not be less than _ C

Answer 34

4 C

Question 35

When sectioning, the three basic types of weld joints recommended are the: 1 2 3

Answer 35

Butt joint with insert Offset butt Lap joint

Question 36

The two types of cutting bits are 1 2

Answer 36

Drill type | Hole saw type

Question 37

_______-pull systems allow the hold and pull or bi-directional pull capability that is often required in correcting secondary damage in unibody vehicles.

Answer 37

Secondary-pull

Question 38

The damage correction sequence is 1. 2. 3.

Answer 38

Length Width Height

Question 39

What is the grade of chain typically used for pulling chains?

Answer 39

Grade 80 Alloy

Question 40

Sectioning refers to the procedure of panel replacement at somewhere other than a _______ joint.

Answer 40

Factory

Question 41

Floor systems are among the most popular systems. An example of a floor system is the ______ ____ system.

Answer 41

Wedge Clamp

Question 42

If there are no known manufacturer procedures for sectioning, replace the component at _______ seams.

Answer 42

Factory

Question 43

Rack systems were heavily favored in the past and can still be found in many shops. An example of a rack system is the _____ or ___-_-____.

Answer 43

Chief | Car-O-Liner

Question 44

DOT Department of ___________.

Answer 44

Transportation

Question 45

Under no circumstances, can the pulling force exceed the ________ force.

Answer 45

Anchoring

Question 46

The three main types of pumps used in straightening equipment are: 1. 2. 3.

Answer 46

Manual Hand Pumps Electric over hydraulic Air over hydraulic

Question 47

___ primer is necessary for the adhesion of polyurethane to some plastic or rubber materials .

Answer 47

PVC Primer

Question 48

Some manufacturers recommend that __ to __% of the vehicle weight be left on the wheels when the vehicle is anchored.

Answer 48

40 to 60%

Question 49

The ____ hugger is the fastest means of making an anchor on vehicles with large holes in the bottom of the frame.

Answer 49

Hole Hugger

Question 50

The damage that occurred last during the accident should be corrected _____.

Answer 50

First

Question 51

At least ____ anchors are required for unibody vehicles.

Answer 51

Four

Question 52

Metals consists of a structure of building blocks called _____.

Answer 52

Grains

Question 53

Glass manufacturers place their logo and other identifying information on the _______ of the glass.

Answer 53

Bottom

Question 54

The black band around the windshield is known as the ___.

Answer 54

Frit

Question 55

Use a ______ bit type of cutter when the replacement panel is on top, when the panel is thick, where nuggets are large and where the weld shape is destroyed.

Answer 55

Large drill

Question 56

The MVSS are standards for ________ and their ability to bond.

Answer 56

Adhesion

Question 57

In unibody repair your have a two-fold job: to return your vehicle to its pre-accident ____ and to its pre-accident ____.

Answer 57

Shape | State

Question 58

Welding should be performed with a MIG welder equipped with 0._mm (0.023") diameter wire that meets American Welding Society Standard AWS-E-70S-_

Answer 58

0.6 | AWS-E-70S-6

Question 59

Leave a _mm thick layer of urethane on the pinch weld.

Answer 59

2mm

Question 60

Before any upper body structure is straightened, the ________ dimensions for length, width and height must first be corrected.

Answer 60

underbody

Question 61

The overall pulling sequences should be ___-_____.

Answer 61

Pre-planned

Question 62

Pinch weld clamps should be placed on the _____ panels to ensure they are in the torque box area.

Answer 62

Rocker

Question 63

The two types of couplers are 1. 2.

Answer 63

Threaded and screw type | Quick connect

Question 64

Do not grind into the steel panel and do not heat the panel so that it turns ____ or begins to warp.

Answer 64

Blue

Question 65

An insert should be _____ the width of the cross section.

Answer 65

twice

Question 66

_____ dimensions are always established first.

Answer 66

Length

Question 67

Hydraulic rams are classified by their ______ and the capacity they are pushing, pulling or spreading.

Answer 67

Length

Question 68

Floor pans use an _______ joint when sectioning. Lap the section over the panel at least _"

Answer 68

Overlap Joint | 2"

Question 69

Use a _____ drill bit type of cutter when the replacement panel is between other panels and welding cannot be accomplished from the backside.

Answer 69

Small type

Question 70

Most frame equipment manufacturers have designed universal __-___ systems to aid in tying down BOF vehicles.

Answer 70

Tie-down

Question 71

Depending upon the make and model, the rocker panels will be either _ or _ layers

Answer 71

2 or 3

Question 72

Stress relieving must be done periodically during the pull. Pull, ____ relieve, measure and ___ again.

Answer 72

Stress | Pull

Question 73

Adhesives usually have a shelf life of _ months

Answer 73

6 months

Question 74

A _____-pull system is capable of making a single, very directional pull on the damaged area of the vehicle. These systems are effective on ____-type vehicles.

Answer 74

Single-pull | BOF

Question 75

Always make your first ____ before trimming away the damaged metal.

Answer 75

Pulls

Question 76

Often _______ must be used in conjunction with anchors to make them work properly.

Answer 76

Blocking