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Which V block is used for checking the triangle effect?
Question

Which V block is used for checking the triangle effect?

A.

V block with 90-degree angle is used

B.

V block with 60-degree angle is used

C.

V block with 30-degree angle is used

D.

V block with 120-degree angle is used

Correct option is D

The triangle effect occurs when a cylindrical workpiece is supported on a V-block with an angle other than 90°. The V-block with a 120-degree angle is specifically designed to reduce or eliminate the triangle effect by providing better stability to the workpiece during inspection or machining processes. Therefore, the correct answer is a V block with a 120-degree angle.

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