| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.04 |
| Score | 0% | 61% |
Inside and outside micrometers measure inside and outside:
lengths |
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tolerances |
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diameters |
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angles |
Micrometers measure the diameter of cylindrical objects. Outside micrometers measure the external diameter of cylinders and inside micrometers measure the internal diameter of the cylinder's hole.
Which of the following statements about drill bits is not true?
drill bits are primarily left-handed |
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drill bit size maxes out at ¼" for woodworking |
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drill bits are primarily right-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.
A joint created by soldering is:
weaker than a weld |
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as strong as a weld |
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stronger 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.
Which of the following would provide the most accurate measure of the diameter of a solid cylinder?
tape measure |
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inside micrometer |
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outside micrometer |
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ruler |
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 statemements about chucks is not true?
a chuck is tightened and loosened using a chuck key |
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a chuck's size indicates the largest circumference drill bit that will fit |
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a chuck's size indicates the largest diameter drill bit that will fit |
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electric drills utilize a chuck to hold the drill bit |
Electric drills utilize a chuck to hold the drill bit. A chuck's size indicates the largest diameter drill bit that will fit. A chuck is tightened and loosened using a chuck key.