最新なAPI API-577問題集（112題）、真実試験の問題を全部にカバー！

質問 1：
In general, austenitic stainless steels are considered to have:
A. Good weldability.
B. A tendency toward lack of root pass fusion.
C. Significant issues with lack of sidewall fusion.
D. Fewer problems with distortion.
正解：A

質問 2：
The most common measure of weldability and susceptibility to hot cracking of austenitic stainless steels is the ferrite content of the weld metal. Which of the following ranges is the recommended minimum ferrite content of the weld metal needed to prevent cracking?
A. 15%-20%
B. 1%-10%
C. 8%-18%
D. 5%-20%
正解：C

質問 3：
One limitation of a shielded metal arc welding (SMAW) process is that:
A. It has low tolerance for contaminants.
B. Deposition rates are lower than GMAW.
C. The process cannot be used in areas of limited access.
D. The process is sensitive to wind and draft.
正解：B

質問 4：
One of the main differences between welding nickel alloys and austenitic stainless steels is that with nickel alloys:
A. There is less susceptibility to lack of fusion.
B. There is less susceptibility to cracking from contaminants.
C. The weld pool tends to be sluggish.
D. Interpass temperature control is not needed.
正解：C

質問 5：
How much should each pass of the transducer overlap the previous path during a weld scan?
A. 5% of the transducer element dimension.
B. 10% of the transducer element dimension.
C. 20% of the transducer element dimension.
D. 15% of the transducer element dimension.
正解：B