| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 2.82 |
| Score | 0% | 56% |
This tool is a(n) __________.
inside caliper |
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outside caliper |
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inside micrometer |
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outside micrometer |
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?
pin punch |
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screwdriver |
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center 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.
You've bored a large hole in a piece of wood to insert a doorknob. Which of these tools would you use to smooth the edges of the hole?
plane |
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file |
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chisel |
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rasp |
Files consist of diagonal rows of fine teeth and are used for fine finishing work to smooth, polish, or shape objects. Rasps are files with larger teeth that are used for coarse finishing work. Both files and rasps are designed to be inserted into detachable handles.
A welding rod provides:
protection for the welder |
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stability for the welding torch |
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the joining material for a weld |
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fuel for the welding torch |
The joining material for a weld is called a welding or filler rod and is available in a variety of diameters and alloys for different welding tasks.
When cutting hard metals with a hacksaw you should choose a blade with __________ teeth per inch (TPI).
odd |
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high |
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even |
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low |
Blades with more and smaller teeth (high TPI) cut harder metals more effectively while blades with fewer and larger teeth (low TPI) cut softer metals more effectively.