Red Seal Plumbing Practice Exam 2025 - Free Red Seal Plumbing Practice Questions and Study Guide

Question: 1 / 400

At what angle is the point on a centre punch ground?

45 degrees

90 degrees

A 45 degrees - This is an incorrect angle for grinding a centre punch. 45 degrees is typically used for chamfering or creating a bevel on a punch.

B: 90 degrees - This is the correct angle for grinding a centre punch. A centre punch is typically ground at 90 degrees to create a sharp point for marking on metal or other materials.

C: 60 degrees - This is an incorrect angle for grinding a centre punch. 60 degrees is typically used for creating an acute angle or a fine point on a punch, not for centre punches.

D: 120 degrees - This is an incorrect angle for grinding a centre punch. 120 degrees is typically used for creating an obtuse angle or a rounded point on a punch, not for centre punches.

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60 degrees

120 degrees

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