API 570 data sheets - key words/ Services

Question 0

Define - repair

Answer 0

Restore- suitable

570: 3.78

Question 1

Define - alteration

Answer 1

Physical change

570: 3.1.2

Question 2

Define - Imperfection that exceeds an acceptable criteria

Answer 2

Defect

570: 3.1.17

Question 3

Define - Discontinuity that may or may not exceed the acceptance criteria

Answer 3

Imperfection

570: 3.1.30

Question 4

Define - RBI’s Two primary factors

Answer 4

Probability and consequence

570: 5.2

Question 5

NDE - Number of CML’s to obtain thickness readings during inspections

Answer 5

Representative

570: 6.5

Question 6

NDE - CML that must be measured during a thickness Inspection

Answer 6

CML w/ earliest renewal date

570: 6.5

Question 7

PRD’S - How relief device intervals are determined

Answer 7

Performance

570: 6.7.3.1

Question 8

Inspection - Basis of API 570’s Piping Classification

Answer 8

Consequence of Failure

570: 6.3.1

Question 9

Corrosion - Method by which process leaks can be lead to brittle failure

Answer 9

Auto-refrigeration

570: 6.3.1

Question 10

Corrosion - Cause for fatigue crack

Answer 10

Cyclic Stress

574: 7.4.10.1

Question 11

Corrosion - Factors that affect the creep rate

Answer 11

TIME, TEMPERATURE & STRESS

574: 7.4.11.1

Question 12

CORROSION - Type of soil that is most corrosive

Answer 12

Low Resistivity

570: 9.2.4

Question 13

Repairs - # of new flange assemblies to be inspected during repairs and alterations

Answer 13

Representative

570: 5.12

Question 14

SCC can develop at hot spots, including where the heat tracing attaches to pipe

Answer 14

Caustic

574: 7.4.6.2.n

Question 15

Where dew point corrosion often occurs

Answer 15

Overhead - Fractionation

574: 7.4.6.2.b

Question 16

Potential for none or very few CML’s on circuit

Answer 16

Olefin cold side, Anhydrous ammonia

570: 5.6.2

Question 17

Relatively uniform corrosion

Answer 17

Sulfidation, sour water

570: 5.6.3

Question 18

Valves that should be expected for thermal fatigue

Answer 18

Cat Reformer

570: 5.10