How many minutes does it take to finish the welder exam in Xuzhou Safety Valley?

Theoretical examination: 100 questions, including 70 true-false questions and 30 multiple-choice questions, each with 1 point. Full score 100 and 80 points are qualified, and the computer test is adopted, and the test time is 60 minutes.

Safety Valley welders go to Xuzhou Safety Testing Center to take the exam, and they can get the welder's certificate one month after the exam.