| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.19 |
| Score | 0% | 64% |
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.
A joint created by welding is __________ the original metal.
as strong or stronger than |
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as strong or slightly weaker than |
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harmful to |
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weaker than |
The joint created by welding is as strong or stronger than the original metal.
When compared to drilling, boring makes __________ holes.
smoother |
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rougher |
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smaller |
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larger |
Drilling is the process of making small holes in wood or metal while boring is the process of making larger holes.
This tool is a(n) __________.
inside micrometer |
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outside caliper |
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outside micrometer |
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inside caliper |
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 would be used to make a drilling guide mark in a sheet of metal?
center punch |
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screwdriver |
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pin punch |
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chisel |
A punch is narrow and is used to drive objects like nails (pin punch) or for making guide marks for drilling (center punch) or patterns in wood or metal.