Class 2 (2nd Engineer) MEP 📅 Jan 2023

Exam Question

Briefly describe the methods of carrying out a bend test and an impact test. Illustrate the general form of the test pieces used and state how the final results are given for comparison of different materials. Of what practical use are the figures obtained?

Reference Answer

Bend Test
The bend test, also known as the flexural test, evaluates a material's ductility, bend strength, fracture strength, and resistance to fracture by subjecting a specimen to a controlled bending force. The goal is often to deform the sample to a specified angle or achieve parallelism of its ends without fracture, rather than loading it to complete failure.
Methods of Carrying Out:
Three-Point Bend Test: This is the most common method. The specimen is supported at two points, and a load is applied at the midpoint, causing it to bend.

Full answer on MeoMock — surveyor-grade reference answers for 7,000+ written exam questions.

View plans Browse library

← Browse more questions

Prepare on Android — MeoMock on Google Play