Question 31
Which organization provides the "ISO 19232-15" standard referenced in API 1104?
Question 32
API RP 500 deals with the classification of locations for electrical installations in petroleum facilities. What is the classification based on?
Question 33
What is the purpose of an isolation block valve?
Question 34
According to API RP 540, where can more detailed discussions about the classification of locations be found?
Question 35
Who is considered a contractor in pipeline facility construction?
