API-510

The internal inspection interval must be reviewed whenever changes occur that could affect the degradation of the vessel. In which of the following situations does a review of the internal interval need not be conducted?A . operating temperature increasesB . operating pressure decreasesC . operating pressure increasesD . fluid composition...

Pneumatic testing may be substituted for hydrostatic testing provided all but which of the following?A . Water is not readily availableB . RefractoryC . TemperatureD . ProcessView AnswerAnswer: A

Increasing hardness of the metal substrate is not always a good indicator of improved resistance to __________, particularly where corrosion plays a significant role.A . stress corrosionB . erosionC . stress corrosion crackingD . ductile failureView AnswerAnswer: B

When discussing repairs to a pressure vessel what is the definition of 'construction codes'?A . The NBICB . The current ASME Code editionC . The API 510 CodeD . The Code the vessel was constructed to including non-standard and jurisdictional special vesselsView AnswerAnswer: D

Which of the following relief devices is intended to work with steam boilers?A . Relief Valve.B . Safety Relief Valve.C . Safety Valve.D . Balanced Safety Relief.View AnswerAnswer: C

When a crack is discovered in a vessel that is in a highly stressed area, what action should you recommend to be considered as a first step in any effort to correct the flaw?A . Call in a pressure vessel engineerB . Design an overlay patch to completely cover the...

After a vessel has been placed in service, what Code is used to evaluate?A . ASME Section VIIIB . ASME Section VC . API 572D . API 510View AnswerAnswer: D

The definition of pressure vessels is:A . A container designed to withstand internal or external pressureB . A vessel for the containment of process fluids with or without internal pressureC . A container designed to operate below atmospheric pressureD . A container no greater than 8” in cross sectionView AnswerAnswer:...

Which is the most severe stress caused by internal pressure in a cylindrical shell?A . Longitudinal stress acting along the longitudinal axisB . Circumferential stress acting along the longitudinal axisC . Circumferential stress acting along the circumferential axisD . Longitudinal stress acting along the circumferential axisView AnswerAnswer: B

An on-stream inspection can NOT be substituted for an internal inspection unless the remaining life exceeds:A . 2 yearsB . 4 yearsC . 5 yearsD . 10 yearsView AnswerAnswer: D