| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.29 |
| Score | 0% | 66% |
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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rubber mallet |
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wooden 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.
This tool is a(n) __________.
inside micrometer |
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outside micrometer |
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inside caliper |
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outside caliper |
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.
Inside and outside micrometers measure inside and outside:
angles |
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diameters |
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tolerances |
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lengths |
Micrometers measure the diameter of cylindrical objects. Outside micrometers measure the external diameter of cylinders and inside micrometers measure the internal diameter of the cylinder's hole.
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.
Which type of screwdriver has a x-shaped indentation on the head?
phillips |
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slotted |
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hex |
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nut driver |
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).