Exam 1: Introduction

In OA welding and TB, a high-temperature flame is produced at the torch tip by burning oxygen and a fuel ____________________.

Gas tungsten arc welding (GTAW) uses a nonconsumable electrode made of ____.

Tack welders often help the welder ____.

GTA welding is the cleanest of all of the manual welding processes.

The two most popular thermal cutting processes are oxyacetylene cutting (OAW) and ____.