Household tools and their uses.
Test your knowledge with these top questions!
Which hand tool shows a surface is level when its air bubble centers?
The curved vial holds liquid with one air bubble, and gravity keeps the bubble centered only when the tool sits flat.
What do the red numbers every 16 inches on a standard tape measure mark?
Framers space wall studs 16 inches apart, so the marks let a builder spot framing without extra math.
How does a user change the jaw width on an adjustable crescent wrench?
The small knurled wheel drives a worm gear that slides the movable jaw wider or narrower.
What does a higher grit number on sandpaper mean?
Grit counts openings per inch in the sorting screen, so higher numbers mean smaller particles and smoother sanding.
Tilting a jigsaw's base plate lets the blade make what kind of cut?
Two matching 45-degree bevels can form a right-angle corner, as in the sides of a wooden box.
A torpedo spirit level takes its name from which feature?
Torpedo levels fit into tight spaces where a long carpenter's level would be awkward to use.
Why is the liquid in many spirit levels colored?
Faded vial color can make a spirit level harder to read without making its readings less accurate.
In British English, an adjustable wrench is commonly called an adjustable what?
British tool catalogs use "spanner" for fixed-jaw tools too, so the word alone does not mean the jaws can change width.
Which household machine inspired the first portable electric jigsaw?
The idea began with a small saw blade replacing a sewing machine's needle, allowing the machine to cut curved shapes in wood.
A 16-ounce claw hammer's listed weight usually refers to which part?
The handle adds extra weight, so a hammer labeled 16 ounces weighs more than one pound as a complete tool.