| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 2.88 |
| Score | 0% | 58% |
This tool is a(n) __________.
vernier caliper |
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inside caliper |
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outside micrometer |
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outside caliper |
Calipers are similar to micrometers in shape but instead of measuring distances, calipers are used to transfer distances between objects. An outside caliper is used to transfer outside dimensions while an inside caliper is used to transfer inside distances. A vernier caliper is an extremely precise caliper (down to \({1 \over 1000}\) inch) that allows measuring / transferring either inside or outside dimensions.
Which of the following saws would you use if you're cutting wood along the grain?
hacksaw |
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back saw |
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ripsaw |
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crosscut saw |
The ripsaw delivers maximum efficiency at cutting with or along the grain (ripping).
Which of the following statements about solding is not true?
solder has a comparatively low melting point |
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solder is an alloy of lead and tin |
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flux is used to clean surfaces before soldering |
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soldering can only join metals |
Soldering is a process by which two or more items (typically metal) are joined together by melting a filler metal (solder) into the joint. An electrically powered soldering iron or soldering gun is used to melt the solder which is an alloy of lead and tin that has a melting point below the melting point of the items being joined. A chemical cleaning agent called flux is also used to clean the surfaces before soldering.
Which of the following is used in metal work for shaping metal?
rivet hammer |
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claw hammer |
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ball peen hammer |
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mallet |
Ball peen hammers are most commonly used in automotive repair. They have rounded heads and are used to drive punches and chisels.
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.