AUTO BODY REPAIR TECHNOLOGY
QUESTIONS & SOLUTIONS
Tensile Strength - ANSWERmeasureent of the max force per unit of are that causes a
complete fracture or break in the material
Yield strength - ANSWERa measurement of the mimimum force per unit of are that
causes a material to begin to permanently change its shape
What percent shield and gas to be used? - ANSWER75% argon
25% CO2
What type of wire to not use when MIG welding? - ANSWERflux coded
What provides corrosion protectin close to OEM E-coat? - ANSWERTwo part epoxy
primers
minimum amounts of reference points when doing a pull - ANSWERat least 3
minimum amount of anchoring points when doing a pull - ANSWER4
Datum plane - ANSWERan imaginary line that appears on frame blueprints, to help
determine correct measurment dimensions.
vehicle centerline - ANSWERa line that runs from the rear to front of a vehicle down the
middle used for making measurements
centering gauges - ANSWERare metal rods used to check for misalignment
Measurement Tolerance - ANSWER2- / 3- millimeters
Symtetrical Measurments - ANSWERmeasurements match/
asymetrical measurements - ANSWERuneven measurements
Primary damage - ANSWERis damage caused from primary point of impact
secondary damage - ANSWERis caused from the impact shock waves
point to point measurments - ANSWERmeasurments made from one side of the vehicle
to the other, can be measured using a tram bar.
heat crayons - ANSWERwill melt when maximum tempeture is reached
QUESTIONS & SOLUTIONS
Tensile Strength - ANSWERmeasureent of the max force per unit of are that causes a
complete fracture or break in the material
Yield strength - ANSWERa measurement of the mimimum force per unit of are that
causes a material to begin to permanently change its shape
What percent shield and gas to be used? - ANSWER75% argon
25% CO2
What type of wire to not use when MIG welding? - ANSWERflux coded
What provides corrosion protectin close to OEM E-coat? - ANSWERTwo part epoxy
primers
minimum amounts of reference points when doing a pull - ANSWERat least 3
minimum amount of anchoring points when doing a pull - ANSWER4
Datum plane - ANSWERan imaginary line that appears on frame blueprints, to help
determine correct measurment dimensions.
vehicle centerline - ANSWERa line that runs from the rear to front of a vehicle down the
middle used for making measurements
centering gauges - ANSWERare metal rods used to check for misalignment
Measurement Tolerance - ANSWER2- / 3- millimeters
Symtetrical Measurments - ANSWERmeasurements match/
asymetrical measurements - ANSWERuneven measurements
Primary damage - ANSWERis damage caused from primary point of impact
secondary damage - ANSWERis caused from the impact shock waves
point to point measurments - ANSWERmeasurments made from one side of the vehicle
to the other, can be measured using a tram bar.
heat crayons - ANSWERwill melt when maximum tempeture is reached
