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The purpose of in-service inspections of AST's is to assure : - ANSWERS continued tank integrity. What type of inspection may be done by owner/ operator personnel and/or authorized inspectors? - ANSWERS Routine in-service inspection The external condition of storage tanks shall be monitored by close visual inspection from the ground on a routine basis.This inspection can be done by owner/operator personnel,and can be done by the other than Authorized Inspector. The interval of such ...

SECTION 1,,2,3 API-653 covers which of the following types of tanks? a) Carbon and low alloy steel tanks built to ASME Section VIII, Div.1 b) Carbon and low alloy steel tanks built to ASME Section X c) Carbon and low alloy steel tanks built to API - 650 and 12C d) Carbon and low alloy steel tanks built to API - 510 - ANSWERS C API-653 provides the requirements for construction of which of the following? a) Process pressure vessels b) Aboveground petroleum storage tanks c) LNG Storage sp...

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what is the minimum thickness for a tank floor plate with no means for leak detection or secondary containment if an RBI program is not in place - ANSWERS 0.1 inch reference table 4.4 API 653 when a full hydrostatic test is required, it shall be held for - ANSWERS 24-hours reference 12.3.1 API 653 how many radiographs shall be taken in a square 2 in x 24 in but welded insert play in a 1-inch thick shell - ANSWERS 6 total one horizontal one vertical one in each corner : reference 12.2...

API publications necessarily address problems of what type? - ANSWERS Problems of a general nature. (Special notes section) API Standard 653 covers in service steel tanks built to what standards? - ANSWERS This standard covers steel storage tanks built to API 650 and its predecessor API 12C. (1.1.1) What API Standard always governs for tanks that have been placed in service? - ANSWERS In the case of apparent conflicts between the requirements of this standard and API 650 or its pred...

what is the minimum thickness for a tank floor plate with no means for leak detection or secondary containment if an RBI program is not in place - ANSWERS 0.1 inch reference table 4.4 API 653 when a full hydrostatic test is required, it shall be held for - ANSWERS 24-hours reference 12.3.1 API 653 how many radiographs shall be taken in a square 2 in x 24 in but welded insert play in a 1-inch thick shell - ANSWERS 6 total one horizontal one vertical one in each corner : reference 12...

API publications necessarily address problems of what type? - ANSWERS Problems of a general nature. (Special notes section) API Standard 653 covers in service steel tanks built to what standards? - ANSWERS This standard covers steel storage tanks built to API 650 and its predecessor API 12C. (1.1.1) What API Standard always governs for tanks that have been placed in service? - ANSWERS In the case of apparent conflicts between the requirements of this standard and API 650 or its pred...

Who Determines to use RBI methodologies? - ANSWERS Owner/Operator RBI Document - API Code? - ANSWERS API 580 What are the two factors of Risk? - ANSWERS Consequence of failure and Likelihood of Failure RBI Assessments must be thoroughly___________? - ANSWERS Documented Who conducts an RBI Assessment? - ANSWERS Team of Knowledgeable of RBI Principles RBI Assessments shall be repeated at least every ______ Years? - ANSWERS 10 years Two Primary Factors of Consequence of Failure ar...

What does "L" mean in Austenitic SS, like 304L? - ANSWERS Has a low carbon content What does "H" mean in Austenitic SS, like 316 H? - ANSWERS Has a high carbon content Low alloy steels can contain up to: - ANSWERS 9% chrome Nickel alloys are materials that have over: - ANSWERS 30% nickel A Brittle Fracture: - ANSWERS grows very rapidly with minimum deformation prior to failure Resistance to Brittle Fracture is called: - ANSWERS toughness What test is used to determine a material...

What are the weldment requirements tasks prior to welding? - ANSWERS Review drawings, codes, standards. Review weld requirements, procedures, NDE info, welding equipment, etc (4.2.2) What are the materials requirements tasks prior to welding? - ANSWERS Ensure all material is identified: filler metal, base material, if required perform PMI (4.2.7) What are the quality assurance tasks during welding? - ANSWERS Establish a quality assurance and quality control umberlla with the welding o...