Question

What is the use of V-Blocks?

(a) For checking only squareness of square work pieces

(b) For checking roundness

(c) Only for the support purposes

(d) To support triangular surfaces only

This question was posed to me by my college director while I was bunking the class.

This key question is from V-Block topic in portion Linear Measurements of Engineering Metrology

Answer 1

Correct answer is (b) For checking roundness

Easiest explanation: V-Blocks are generally used for cylindrical workpieces to check their roundness and for marking centres. V-blocks are like precision metalworking jigs which are used to hold workpieces. These are available in market with wide range of varieties.