| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 2.91 |
| Score | 0% | 58% |
This tool is a(n) __________.
outside caliper |
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inside caliper |
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inside micrometer |
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outside micrometer |
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.
Which of the following statements about welding is not true?
welding is done at higher temperatures than soldering |
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a weld can often be stronger than the base materials alone |
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electric-arc welding is safer than oxyacetylene welding |
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no filler metal is required when welding |
Welding is a high-temperature process that involves melting the base metals in the objects to be joined to fuse them together. A filler metal is used to provide additional material to make up a joint that, depending on the weld type, can be stronger than the base materials alone. Oxyacetylene welding is a welding process that uses a torch fueled with oxygen and acetylene gases. Electric-arc welding utlizes electric current in a safer welding process (it doesn't involve burning explosive gases) that enables a wide variety of specialized applications like stick, MIG (metal inert gas), and TIG (tungsten inert gas) welding.
Which of the following statements about drill bits is not true?
drill bits are primarily right-handed |
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drill bit size maxes out at ¼" for woodworking |
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drill bits are primarily left-handed |
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drill bit size maxes out at ½" for metalworking |
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.
The __________ is an initial shallow saw cut made as a guide to prevent the saw from slipping sideways on subsequent more powerful cuts.
channel |
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kerf |
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groove |
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guide |
When you start sawing by creating a kerf it will help prevent the saw from slipping sideways when you begin the power strokes that do most of the cutting.
A joint created by soldering is:
as strong as a weld |
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stronger than a weld |
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weaker than a weld |
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as strong as the original metal |
A joint created by soldering is not as strong as a weld and not as strong as the original metal.