| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 2.85 |
| Score | 0% | 57% |
Which of the following would be used to make a drilling guide mark in a sheet of metal?
pin punch |
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center punch |
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chisel |
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screwdriver |
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.
This tool is a(n) __________.
vernier caliper |
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inside caliper |
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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.
When cutting hard metals with a hacksaw you should choose a blade with __________ teeth per inch (TPI).
odd |
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low |
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even |
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high |
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.
Which of the following statemements about chucks is not true?
electric drills utilize a chuck to hold the drill bit |
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a chuck is tightened and loosened using a chuck key |
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a chuck's size indicates the largest diameter drill bit that will fit |
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a chuck's size indicates the largest circumference drill bit that will fit |
Electric drills utilize a chuck to hold the drill bit. A chuck's size indicates the largest diameter drill bit that will fit. A chuck is tightened and loosened using a chuck key.
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.