What Is Sine Bar, And Why It Is Called As Sine Bar?

1.	What Is Sine Bar, And Why It Is Called As Sine Bar?
Answer» A sine bar consists of an ACCURATELY finished steel bar having two rollers of equal diameter which are placed at the fixed distance. It is used for setting and measuring angles together with slip gauges, surface plate and dial test INDICATOR. The name Sine bar, because it works as a HYPOTENUSE in a right angle triangle.

Answer»

A sine bar consists of an ACCURATELY finished steel bar having two rollers of equal diameter which are placed at the fixed distance. It is used for setting and measuring angles together with slip gauges, surface plate and dial test INDICATOR.
The name Sine bar, because it works as a HYPOTENUSE in a right angle triangle.

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