Question 1

When welding near a vehicle computer, remove the computer from the vehicle to avoid electronic circuit damage.

Accepted Answer

Welding can produce electromagnetic interference which can damage electronic circuits in a vehicle computer. Therefore, it is recommended to remove the computer from the vehicle before welding near it to avoid any damage.

Question 2

ASE-Style Multiple Choice ____ is a paste that can be applied to parts to absorb heat and prevent warpage.

Accepted Answer

Heat sink compound is a paste used to absorb and dissipate heat, preventing warpage in parts.

Question 3

During the welding process, either inert gas or active gas shields the weld from the atmosphere and prevents oxidation of the base metal.

Accepted Answer

Inert gas or active gas is used to shield the weld from atmospheric contamination and prevent oxidation of the base metal during the welding process.

Question 4

ASE-Style Multiple Choice All of the following are considered necessary tools for good welding practices EXCEPT:

Accepted Answer

The answer of ASE-Style Multiple Choice All of the following...

Question 5

The weld face is the part of the joint where the wire electrode is directed.

Accepted Answer

The weld face is the surface of the weld that is exposed on the side from which welding was done, not specifically where the wire electrode is directed. The direction of the wire electrode is towards the joint to be welded, not the weld face itself.

Question 6

ASE-Style Multiple Choice A ____ on the back of a weld is an indication of good weld penetration.

Accepted Answer

A burn mark on the back of a weld indicates that the heat has penetrated through the material, suggesting good weld penetration.

Question 7

Butt welds are formed by fitting two edges of adjacent panels together and welding along the mating or butting edges of the panels.

Accepted Answer

Butt welds are indeed formed by fitting two edges of adjacent panels together and welding along the mating or butting edges of the panels.

Question 8

ASE-Style Multiple Choice ____ affects the base metal penetration depth, the speed at which the wire is melted, arc stability, and the amount of weld spatter.

Accepted Answer

Welding current affects the penetration depth, melting speed, arc stability, and weld spatter.

Question 9

ASE-Style Multiple Choice ____ is an electric arc welding process that uses a tubular wire with flux inside.

Accepted Answer

Flux-cored arc welding is an electric arc welding process that uses a tubular wire with flux inside, which helps shield the weld from contamination.

Question 10

ASE-Style Multiple Choice While having a discussion, Technician A says that if the tip-to-base metal distance is too long, the length of wire protruding from the end of the gun increases and becomes preheated, which increases the melting speed of the wire. Technician B says that if the tip-to-base metal distance is too long, the shield gas effect will be reduced. Who is correct?

Accepted Answer

Both Technician A and Technician B are correct. If the tip-to-base metal distance is too long, the length of wire protruding from the end of the gun increases and becomes preheated, which increases the melting speed of the wire. Additionally, the shield gas effect will be reduced, as the gas will have to travel a longer distance to reach the weld pool.

Question 11

ASE-Style Multiple Choice Which of the following statements is LEAST-Likely true?

Accepted Answer

In MIG stitch welding, the standard nozzle is typically used, not the spot nozzle.

Question 12

In an MIG lap weld, the arc is directed to penetrate both pieces of metal, while triggering a timed impulse of wire feed.

Accepted Answer

The answer of In an MIG lap weld, the arc...

Question 13

ASE-Style Multiple Choice While having a discussion, Technician A says that plug welds are used when a car is built in a factory. Technician B says resistance spot welds are used when a car is built in a factory. Who is correct?

Accepted Answer

Resistance spot welds are commonly used in factories for assembling cars due to their efficiency and strength. Plug welds are typically used in repair situations, not in the initial manufacturing process.

Question 14

ASE-Style Multiple Choice The term____ implies that the pieces are parallel with the bench or shop floor.

Accepted Answer

Flat welding refers to a welding position where the weld is made on the upper side of the joint, and the face of the weld is approximately horizontal, parallel to the bench or shop floor.

Question 15

When welding a horizontal joint, the best procedure is usually to start the arc at the top of the joint and pull downward with a steady drag.

Accepted Answer

In welding a horizontal joint, the common practice is to start at the bottom and weld upward, or use a back and forth motion, to ensure proper penetration and control of the weld pool, rather than starting at the top and pulling downward.

Question 16

Electronic shielding or protection is needed when welding near on-board computers (electronic control units [ECUs])and sensor wiring.

Accepted Answer

Welding produces strong electromagnetic fields that can interfere with and damage electronic components such as ECUs and sensor wiring. Therefore, electronic shielding or protection is necessary to prevent any potential damage.

Question 17

MIG welders lay down weld beads at the average of 15 inches (381 mm)per minute.

Accepted Answer

The answer of MIG welders lay down weld beads at...

Question 18

ASE-Style Multiple Choice A(n)____ sometimes called a filter plate, is a shaded glass welding helmet insert for protecting your eyes from ultraviolet burns.

Accepted Answer

A welding filter lens is a shaded glass insert used in welding helmets to protect the eyes from ultraviolet burns.

Question 19

Welding blankets are thick covers made of fire resistant cloth for protecting vehicle surfaces from heat, sparks, and weld spatter.

Accepted Answer

Welding blankets are indeed made of fire resistant cloth and are used to protect surfaces from heat, sparks, and weld spatter.

Question 20

Lap and flange welds should be made only in repairs where they replace original factory lap or flange welds or where outer panels, but not structural panels, are involved.

Accepted Answer

Lap and flange welds are not suitable for structural panels and should only be used in repairs where they are replacing original factory lap or flange welds or for outer panels that are not part of the structural support of the vehicle. Welding on structural panels should be done using appropriate welding methods that ensure the strength and integrity of the vehicle is not compromised.

Quiz 8: Welding Equipment Technology