Question

What is Least Count of Steel Rule?

Answer 1

1. A scale is a tool that architects and engineers use to help them sketch on a scale that isn't full size.
2. A rule is employed to measure real sizes.
3. Steel rules appear in both stiff and flexible models.
4. Although their primary function is precise measuring, they can also be used as guides for drawing outlines and cutting provided they are firm enough.
5. It is used to rule straight lines or measure distances.
6. The smallest value that can be measured by a measuring instrument is called its least count.
7. $\mathrm{Least}\mathrm{count}=\frac{\mathrm{smallest}\mathrm{division}\mathrm{on}\mathrm{main}\mathrm{scale}}{\mathrm{Number}\mathrm{of}\mathrm{division}\mathrm{on}\mathrm{main}\mathrm{scale}}$
8. The least count of a steel scale is $1\mathrm{mm}$.