| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.54 |
| Score | 0% | 71% |
This tool is a(n) __________.
adjustable wrench |
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open-end wrench |
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combination wrench |
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box-end wrench |
Wrenches are used to provide grip and mechanical advantage by applying torque to turn objects (or to keep them from turning). The longer the wrench, the more torque that can be applied. Wrench ends are available in two primary types, open-end and box-end. A box-end wrench encloses the bolt head and is useful when more torque is needed or to maintain contact in difficult to reach locations. An open-end wrench is designed for speedily loosening easier to reach fasteners. Wrenches that feature one open and one box end are called combination wrenches and adjustable wrenches feature an open end with an adjustable width.
Which of the following is used in metal work for shaping metal?
claw hammer |
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mallet |
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rivet hammer |
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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.
What is a micrometer used for?
ensuring that a surface is level |
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measuring length around corners |
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transferring dimensions between objects |
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measuring the diameter of cylindrical objects with high precision |
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.
The primary difference between a claw and a ball-peen hammer is which of the following?
their striking end |
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their size |
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their handle shape |
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their non-striking end |
The most common striking tool is the hammer and the most common variety of hammer is the claw hammer. The claw hammer has two ends, one to drive nails and one to remove nails. Ball-peen hammers replace the claw with a rounded end that's used to round off the edges of metal pins and make gaskets.
When compared to drilling, boring makes __________ holes.
rougher |
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smaller |
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larger |
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smoother |
Drilling is the process of making small holes in wood or metal while boring is the process of making larger holes.