Nace Cip Level 2 34 Correctly Answered Questions Latest Update

At what psig is high-pressure waterjetting preformed at? 7-2 {Ans: 10,000-30,000 psig}At what psig is high-pressure cleaning preformed at? 7-2 {Ans: 5000-10,000 psig}What standard specifies the amount of non visible contaminants that are allowed to be left on the surface? 7-5 {Ans: None. If the coating specification does not require testing, the inspector should not request the contractor to do so or do so on his own accord.}Describe what the characteristics of a moderate flash rusted surface are. 7-5 {Ans: Rust that is reasonably well adherent and leaves light marks on a cloth that is lightly wiped over the surface.}List some disadvantages of waterjetting over dry abrasive blasting. {Ans: Surface must have a prior profile Equipment is very expensive Dangers of a breached UHP hose Danger of water injection Collection &disposal of the contaminated water Lack of proficient operators}What should the minimum burst strength of high-pressure equipment be? 7-7 {Ans: 2 1/2 times the capability of its maximum-rated operating strength.}