Deck 18: Unibodyframe Repair and Realignment

Question 1

____ uses hydraulic power to force the body structure or frame back into position.

A) Lateral deflection
B) Pulling equipment
C) In-floor straightening
D) Vehicle anchoring

Answer 1

B

Question 2

When realigning a vehicle, a pull force, or traction, should be applied in the opposite direction from the force of the impact.

Answer 2

True

Question 3

Measurements are made at body/frame reference points while pulling to return the vehicle to its original dimensions.

Answer 3

True

Question 4

Which of the following is LEAST-Likely a component of a typical frame rack?

A) a ramp
B) a pulling chain
C) a hydraulic lift
D) a datum plane

Question 5

A ____, similar to a rack, is generally a portable or stationary steel table for straightening severe vehicle damage.

A) pulling clamp
B) hydraulic ram
C) frame rack
D) bench straightening system

Question 6

Portable body and frame pullers have a hydraulic pressure system installed between the removable main frame and the mast.

Question 7

Unibody/frame straightening equipment is used to apply tremendous force to move the frame or body structure back into alignment.

Question 8

Most portable frame pullers have a thick steel table to which pulling towers and anchoring clamps are attached.

Question 9

During a side collision, or "T-bone hit," one vehicle smashes into another from the side.

Question 10

____ allow you to adjust the height of the traction directions.

A) Roll bars
B) Sill plates
C) Tower collars
D) Strut plates

Question 11

Front-end collisions result when a vehicle is moving forward and hits a stationary object or another vehicle.

Question 12

____ results when parts are pushed to the center by a side or angled impact.

A) Height damages
B) Width damage
C) Sag damage
D) Length damage

Question 13

A restraint bar is a hybrid machine that has features of both a bench and rack.

Question 14

____ refers to the direction of pulling force applied by the frame straightening equipment to remove the damage.

A) Vehicle anchoring
B) Overpulling
C) Traction direction
D) Lateral deflection

Question 15

____ are attached to the damaged area of a vehicle to accommodate pulling chains.

A) Pulling clamps
B) Pulling towers
C) Frame racks
D) Hydraulic rams

Question 16

____ normally results from a front or rear hit that pushes body panels toward the center of the vehicle.

A) Sag damage
B) Diamond damage
C) Twist damage
D) Length damage

Question 17

Pinch weld clamps are nylon straps that can be wrapped around parts during pulling.

Question 18

Lateral deflection is frontal unibody damage.

Question 19

____ results from impact damage that forces parts or panels up or down.

A) Height damages
B) Width damage
C) Sag damage
D) Length damage

Question 20

The use of hydraulic realignment equipment to stretch damaged metal back to its original shape is MOST-Likely referred to as:

A) pulling
B) stress relieving
C) traction
D) vehicle anchoring

Question 21

As a general rule, vehicle straightening is needed whenever the damage involves any of the following EXCEPT:

A) the suspension
B) the steering
C) the powertrain mounting points
D) the strut plate

Question 22

While having a discussion, Technician A says that one of the signs of stress on unibody cars is a misaligned door.Technician B says that dents and buckles in aprons and rails are signs of stress.Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question 23

All of the following are components of a portable hydraulic ram system EXCEPT:

A) a portable pump
B) a sill plate
C) a wedge
D) a spreader

Question 24

How do you anchor a full-frame vehicle?

Question 25

____________________ equipment holds the vehicle stationary during pulling and measuring.

Question 26

____ is done by pulling the damage a few millimeters beyond its original dimension.

A) Overpulling
B) Overstretching
C) Vehicle anchoring
D) In-floor straightening

Question 27

Which of the following statements is LEAST-Likely true?

A) A restraint bar can be used to hold or maintain a dimension in an opening when pulling.
B) A door aligner is designed to flex a door and its hinges for correcting alignment.
C) When it is necessary to remove the engine or transmission mounts, an engine holder can be used to support the engine.
D) A hydraulic ram is a special bar that snaps on to the door lock and striker.

Question 28

The best way to monitor heat application is with a ____.

A) strut plate
B) tower collar
C) restraint bar
D) heat crayon

Question 29

While having a discussion, Technician A says that if stress is not removed from a panel and a second collision occurs, less force is required to cause the same or greater damage and could endanger the occupants of the vehicle.Technician B says that the vehicle could dimensionally distort, causing handling problems.Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question 30

How do you use pinch weld clamps to anchor a unibody vehicle?

Question 31

______________________________ involves clamping the vehicle down so that it will not move during the straightening process.

Question 32

____________________ damage results when a vehicle flips over.

Question 33

A(n) ____________________ is an accessory that allows you to attach a pulling chain to the top of a shock tower.

Question 34

The term ____ refers to the difference between the spec dimensions and your actual measurement.

A) measurement tolerance
B) traction
C) reference point
D) lateral deflection

Question 35

A ____ is often used to pull down from under the vehicle.

A) frame machine
B) chain pulley
C) restraint bar
D) strut plate

Question 36

Parts that are designed into unibody vehicles to control and absorb collision forces, minimize structural damage, and increase occupant protection are MOST-Likely called:

A) tower collars
B) stress concentrators
C) roll bars
D) sill plates

Question 37

A(n) _________________________ is a large framework with hydraulic equipment for pulling out major structural damage.