| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.44 |
| Score | 0% | 69% |
A welding rod provides:
protection for the welder |
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fuel for the welding torch |
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the joining material for a weld |
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stability for the welding torch |
The joining material for a weld is called a welding or filler rod and is available in a variety of diameters and alloys for different welding tasks.
Which of the following statements about drill bits is not true?
drill bits are primarily right-handed |
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drill bits are primarily left-handed |
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drill bit size maxes out at ½" for metalworking |
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drill bit size maxes out at ¼" for woodworking |
Drill bits remove material to create holes. They come in a variety of sizes, maxing out at ¼" for woodworking and ½" for metalworking. The majority of drill bits are right-handed which means they cut while rotating in a clockwise direction.
What is a micrometer used for?
ensuring that a surface is level |
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transferring dimensions between objects |
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measuring the diameter of cylindrical objects with high precision |
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measuring length around corners |
Micrometers provide accuracy to the thousandths of an inch and come in outside and inside varieties. An outside micrometer is used to measure outside thickness, such as the diameter of a bolt, while an inside micrometer is used to measure the inside dimension of an object, such as the diameter of the hole of a nut or the width of a channel.
The primary difference between a claw and a ball-peen hammer is which of the following?
their handle shape |
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their size |
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their non-striking end |
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their striking end |
The most common striking tool is the hammer and the most common variety of hammer is the claw hammer. The claw hammer has two ends, one to drive nails and one to remove nails. Ball-peen hammers replace the claw with a rounded end that's used to round off the edges of metal pins and make gaskets.
When compared to drilling, boring makes __________ holes.
smaller |
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larger |
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rougher |
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smoother |
Drilling is the process of making small holes in wood or metal while boring is the process of making larger holes.