Your Results | Global Average | |
---|---|---|
Questions | 5 | 5 |
Correct | 0 | 3.05 |
Score | 0% | 61% |
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.
Screwdrivers are most broadly classified by their:
length |
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width |
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tip |
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torque |
Screwdrivers come in many different handle, shaft, and tip configurations for use in a wide variety of applications. Screwdrivers are classified by their tip which is shaped to fit a corresponding screw head. Common tips are slotted (flat) and Phillips (x-shaped).
Which of the following nuts use a pin to lock the nut in place and prevent it from loosening?
lock |
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slotted |
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wing |
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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.
You're replacing the hubcaps on a car. Which of the following are you most likely to use?
ball-peen hammer |
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claw hammer |
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wooden mallet |
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rubber mallet |
A mallet is a hammer with a relatively large head, often made of rubber or wood. Both the size and material of the mallet head help prevent damage when striking more delicate surfaces.
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?
rasp |
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plane |
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chisel |
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file |
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.