| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.72 |
| Score | 0% | 74% |
What is a micrometer used for?
transferring dimensions between objects |
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ensuring that a surface is level |
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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.
You're creating a tube out of a sheet of metal. What type of fastener are you likely to use?
punch |
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nail |
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glue |
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rivet |
A nail is a short pin-shaped shaft of steel that's typically used to fasten pieces of wood together. It has a flat head on one end and a point on the other. A rivet consists of a cylindrical shaft with a head on one end and a tail on the other. When the rivet is installed, the tail is expanded and reshaped to form another head, creating a dumbell shape that will hold two surfaces together semi-permanently.
Which of the following tools are you more likely to use when woodworking?
punch |
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chisel |
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wrench |
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rivet |
A chisel has a long sharp edge and is used, often in conjunction with a hammer, for cutting. In woodworking, chisels are used to remove large sections of wood to create the initial shape of a design. In metalworking, chisels are used to remove waste metal when a smooth finish is not required.
A joint created by welding is __________ the original metal.
harmful to |
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as strong or slightly weaker than |
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as strong or stronger than |
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weaker than |
The joint created by welding is as strong or stronger than the original metal.
Which of the following is the primary difference between pliers and pincers?
pincers are designed for large objects, pliers are designed for small objects |
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pliers squeeze, pincers cut or pull |
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pliers are designed for large objects, pincers are designed for small objects |
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pincers squeeze, pliers cut or pull |
Pincers provide a mechanical advantage that's used to cut, pinch or pull an object. The force applied to pincers is concentrated to a point or to an edge of the tool which allows pincers to be brought very close to a surface. Pincers are typically used for removing objects from a material to which they've previously been applied, for example, to pull nails from wood.