| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.27 |
| Score | 0% | 65% |
Which of the following is used in metal work for shaping metal?
rivet hammer |
|
claw hammer |
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mallet |
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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.
A joint created by soldering is:
as strong as a weld |
|
as strong as the original metal |
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weaker than a weld |
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stronger than a weld |
A joint created by soldering is not as strong as a weld and not as strong as the original metal.
Which of the following nuts provide appendages that allow tightening and loosening by hand?
slotted |
|
lock |
|
wing |
|
cotter |
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.
A joint created by welding is __________ the original metal.
harmful to |
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weaker than |
|
as strong or stronger than |
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as strong or slightly weaker than |
The joint created by welding is as strong or stronger than the original metal.
Which of the following would be used to make a drilling guide mark in a sheet of metal?
pin punch |
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chisel |
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screwdriver |
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center punch |
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.