Oilers/Plant Tenders (HHC) Civil Service Practice Exam 2026 - Free Oilers & Plant Tenders Practice Questions and Study Guide

Question: 1 / 440

When using "V" blocks to hold stock for drilling holes, what is typically true about the stock?

It is flat

It is rectangular

It is round

When using "V" blocks to hold stock for drilling holes, it is typically true that the stock is round. "V" blocks are specially designed to secure cylindrical objects, providing stability and support while allowing for accurate drilling. The V-shape of the blocks creates a cradle for the round stock, preventing it from rolling and ensuring that the workpiece remains securely in place. This setup is ideal for drilling holes perpendicular to the length of the round stock, facilitating precision and efficiency in the machining process.

In contrast, flat, rectangular, or square stock would not fit as securely in "V" blocks, as they do not take advantage of the specific design that accommodates round shapes. This highlights the importance of selecting the appropriate holding method based on the geometry of the workpiece being machined.

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It is square

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