What are the graduations on the ruler?

Fractional Rulers have graduations or marks based on fractions, for example 1/2″, 1/4″ 1/8″, 1/16″, etc.. Decimal Rulers have graduations or marks which are based on the decimal system such as 0.5, 0.25, 0.1, 0.05, etc..

What graduations does the steel rule have?

In general, a measuring device is considered accurate to the smallest graduation. So a steel rule that is graduated to 1/64″ is accurate to about 0.015″. But with careful visual interpolation, you actually measure to about 0.005″ with a good steel rule.

What is steel rule?

A steel rule is exactly what it sounds like… a rule manufactured from either spring or stainless steel that feature either metric or imperial (or both) scales along its length. One end is usually flat whilst the other end (frequently including a hole for hanging) is usually round.

What are end graduations?

End graduations are useful for measuring depths, widths of shoulders, recesses, grooves, etc . They are graduated in 32nds of an inch or millimeters on both ends of one side as shown at the right .

What kind of Graduation occurs on a circular arc?

Circular graduations of a scale occur on a circular arc or limb of an instrument. In some cases, non-circular curves are graduated in instruments. A typical circular arc graduation is the division into angular measurements, such as degrees, minutes and seconds. There can also be non-uniform graduations such as logarithmic or other scales.

How is the graduation style of an instrument used?

Graduation style of an instrument is used by manufactures to quickly determine which types of scales are marked on the instrument.

What kind of marking do you use for graduation?

Markings can be a combination of both physical marks such as a scribed line and a paint or other marking material. For example, it is common for black ink or paint to fill the grooves cut in a scribed rule. Inexpensive plastic devices can be molded and painted or molded with two or more colors of plastic used.

What’s the difference between a major and minor graduation?

It includes shorter minor graduations and longer major graduations. A graduation is a mark used to indicate points on a visual scale . Linear graduation of a scale occurs on a linear measuring device, such as a rule or measuring tape using units such as inches or millimetres.