| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.00 |
| Score | 0% | 60% |
Which of the following is used in metal work for shaping metal?
claw hammer |
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rivet hammer |
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mallet |
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ball peen hammer |
Ball peen hammers are most commonly used in automotive repair. They have rounded heads and are used to drive punches and chisels.
You are using a hacksaw to cut a Class 8 bolt. What is the most appropriate TPI for your saw blade?
2 TPI |
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18 TPI |
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8 TPI |
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10 TPI |
A Class 8 bolt is made of very hard metal and larger TPI saw blades are most appropriate for very hard metals.
This tool is a(n) __________.
outside caliper |
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inside micrometer |
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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 is the primary difference between pliers and pincers?
pliers are designed for large objects, pincers are designed for small objects |
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pliers squeeze, pincers cut or pull |
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pincers are designed for large objects, pliers 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.
A __________ is driven by a motor and used to shape and form edge contours.
file |
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chisel |
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plane |
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router |
A router is a tool that a worker uses to rout (hollow out), shape, or contour an area in relatively hard material like wood or plastic.