ASVAB · Hand Tools

What is the purpose of a level (such as a bubble/spirit level)?

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Correct answer

To determine whether a surface is perfectly horizontal (level) or vertical (plumb)

A To measure temperature
B To determine whether a surface is perfectly horizontal (level) or vertical (plumb)
C To tighten bolts
D To cut wood

Why this is the answer

A LEVEL (bubble/spirit level) is used to determine whether a surface is perfectly HORIZONTAL ('level') or VERTICAL ('plumb'). ASVAB Shop Information tests measuring/layout tools. The bubble in the liquid-filled vial centers between the lines when the surface is level or plumb. Essential for construction, hanging shelves/pictures, installing appliances, and building square structures. Knowing the level checks for horizontal (level) and vertical (plumb) is commonly tested. Related: a PLUMB BOB uses gravity to find true vertical.

Source: ASVAB Shop Information — Level

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About this topic: Hand Tools

Hand tools questions ask you to identify a tool from a description or picture and name its job: types of hammers, wrenches, screwdrivers, pliers, saws, chisels and files. Knowing which tool is the right one for a task is the whole section. This is one of 24 Shop Information questions on hand tools, each with a full explanation on a single study page.

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What is the purpose of a level (such as a bubble/spirit level)?

Why this is the answer

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About this topic: Hand Tools

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