Final Answer:
The ideal angle for the welding torch is 45 degrees (Option A).
Step-by-step explanation:
The optimal welding angle depends on the welding process and the joint configuration. However, a common recommendation is to use a 45-degree angle for many welding applications. This angle provides a balanced approach, allowing for proper heat distribution and penetration.
To achieve a 45-degree angle, one side of the joint should be angled at 45 degrees relative to the other side. This angle helps ensure that the heat is applied evenly to both pieces being joined, promoting a strong and effective weld. Welders often use this angle as a starting point and may make adjustments based on the specific requirements of the welding task.
Option A is the answer.