Question

V-block used in the workshop to check:

• A. Surface roughness of workpiece
• B. Dimensions of oval job
• C. Taper on job
• D. Roundness of cylindrical job

Hint:

V-blocks are ideal for holding and measuring cylindrical objects, particularly for checking their roundness.

Answer 1

The Correct Option is D

Step 1: V-block Functionality
A V-block is a precise workshop tool designed to secure cylindrical objects for accurate measurement and inspection. Its V-shaped groove firmly holds the workpiece, commonly used to assess the roundness and straightness of cylindrical components.Step 2: Summary In summary, the primary function of a V-block is to verify the roundness of cylindrical workpieces. Final Answer: \[ \boxed{\text{Roundness of cylindrical job}}\]