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Structural Analysis and Damage Repair Exam UPDATED QUESTIONS AND CORRECT ANSWERS

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Structural Analysis and Damage Repair Exam UPDATED QUESTIONS AND CORRECT ANSWERS A lower rail on a unibody vehicle is cracked at the lower control arm/ crossmember mount. The rail should be repaired by: - CORRECT ANSWERS Replacing the lower unibody rail. Which type of damage is LEAST likely to occur on a unibody vehicle? - CORRECT ANSWERS Diamond A car has been in a broadside collision. On the side opposite the impact, there is too much gap at each end of the door. Technician A says that bent door hinges could be the cause. Technician B says that a bowed body shell could be the cause. Who is right? - CORRECT ANSWERS B only A unibody strut tower is being installed using a GMAW (MIG) welder. Technician A says that a mixture of 75% argon and 25% carbon dioxide could be used. Technician B says that a mixture of 75% argon and 25% helium could be used. Who is right? - CORRECT ANSWERS A only An incorrect caster reading on a unibody vehicle could be caused by a bent or mislocated: - CORRECT ANSWERS Front cross member What can replace resistance spot welds on structural panels on a unibody vehicle? - CORRECT ANSWERS Resistance spot welds, GMAW (MIG) plug welds, and compression spot welds. Resistance spot welds - CORRECT ANSWERS Welds two or more metal sheets together by applying pressure and heat from an electric current to the weld area. Results in thicker welds than compression spot welding. Compression Spot Welds - CORRECT ANSWERS Using a pointed electrode that applies pressure and electrical current to two or more metal pieces. Results in thinner welds than resistance spot welding.

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Structural Analysis and Damage Repair
Exam UPDATED QUESTIONS AND
CORRECT ANSWERS
A lower rail on a unibody vehicle is cracked at the lower control arm/ crossmember mount.
The rail should be repaired by: - CORRECT ANSWERS Replacing the lower unibody
rail.


Which type of damage is LEAST likely to occur on a unibody vehicle? - CORRECT
ANSWERS Diamond


A car has been in a broadside collision. On the side opposite the impact, there is too much
gap at each end of the door. Technician A says that bent door hinges could be the cause.
Technician B says that a bowed body shell could be the cause. Who is right? - CORRECT
ANSWERS B only


A unibody strut tower is being installed using a GMAW (MIG) welder. Technician A says that
a mixture of 75% argon and 25% carbon dioxide could be used. Technician B says that a
mixture of 75% argon and 25% helium could be used. Who is right? - CORRECT
ANSWERS A only


An incorrect caster reading on a unibody vehicle could be caused by a bent or mislocated: -
CORRECT ANSWERS Front cross member


What can replace resistance spot welds on structural panels on a unibody vehicle? -
CORRECT ANSWERS Resistance spot welds, GMAW (MIG) plug welds, and
compression spot welds.


Resistance spot welds - CORRECT ANSWERS Welds two or more metal sheets
together by applying pressure and heat from an electric current to the weld area. Results in
thicker welds than compression spot welding.


Compression Spot Welds - CORRECT ANSWERS Using a pointed electrode that
applies pressure and electrical current to two or more metal pieces. Results in thinner welds
than resistance spot welding.

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