Workshop Technology MCQ Questions & Answers | Mechanical Engineering

Answer: Option D

A chisel is a tool that has a long metal blade with a sharp edge at the end.
It is used for cutting and shaping wood and stone.
The cross-section of a chisel is usually Octagonal

Answer: Option D

Cores are used to Form internal cavities in the casting and Improve mould surfaceand used to Form a part of a green sand mould
core is a device used in casting and moulding processes to produce internal cavities and reentrant angles .
The core is normally a disposable item that is destroyed to get it out of the piece

Answer: Option D

Upset butt welding is a welding technique that produces coalescence simultaneously over the entire area of abutting surfaces or progressively along a joint, by the heat obtained from resistance to electric current through the area where those surfaces are in contact