| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 2.91 |
| Score | 0% | 58% |
The primary difference between a standard level and a bullseye level is which of the following?
a standard level can measure across two dimensions |
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a standard level has only one bubble to center |
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a bullseye level can measure across two dimensions |
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a bullseye level has only one bubble to center |
Levels utlize a fluid-filled tube containing a bubble that is centered when the surface is horizontal (level) or vertical (plumb) along the direction of the tube. While a standard level can measure along a single dimension, a bullseye level is circular and can indicate the levelness of a two dimensional plane.
What is a micrometer used for?
transferring dimensions between objects |
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measuring length around corners |
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ensuring that a surface is level |
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measuring the diameter of cylindrical objects with high precision |
Micrometers provide accuracy to the thousandths of an inch and come in outside and inside varieties. An outside micrometer is used to measure outside thickness, such as the diameter of a bolt, while an inside micrometer is used to measure the inside dimension of an object, such as the diameter of the hole of a nut or the width of a channel.
Which of the following statemements about chucks is not true?
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 |
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electric drills utilize a chuck to hold the drill bit |
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a chuck is tightened and loosened using a chuck key |
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 saws would you use if you're cutting wood along the grain?
crosscut saw |
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hacksaw |
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back saw |
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ripsaw |
The ripsaw delivers maximum efficiency at cutting with or along the grain (ripping).
Which of the following would be used to make a drilling guide mark in a sheet of metal?
screwdriver |
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pin punch |
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center 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.