| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 2.85 |
| Score | 0% | 57% |
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 circumference drill bit that will fit |
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a chuck's size indicates the largest diameter 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.
Which of the following is not a type of nut?
wing |
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lock |
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cotter |
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slotted |
Wrenches are used with threaded fasteners like bolts and nuts. A bolt has external threads while a nut has internal threads and this thread pattern combination allows them to lock together and act as fasteners. Nuts come in a variety of configurations including wing nuts which provide appendages that allow tightening and loosening by hand, slotted nuts that use a cotter pin to lock the nut in place and prevent it from loosening, and lock nuts that also prevent loosening via nylon in their threads. Threads are identified by pitch which is the number of threads per inch.
Which of the following would be used to make a drilling guide mark in a sheet of metal?
screwdriver |
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center punch |
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pin 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.
Measuring tools provide a convenient and easy way to compare object dimensions against:
perfection |
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a drawing |
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each other |
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a standard |
Measuring tools give easy access to the wide variety of standard dimensions that are used to categorize and classify objects.
The primary difference between a claw and a ball-peen hammer is which of the following?
their handle shape |
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their non-striking end |
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their striking end |
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their size |
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.