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API-571 Practice Questions

Corrosion and Materials Professional

Last Update 3 months ago
Total Questions : 149

Dive into our fully updated and stable API-571 practice test platform, featuring all the latest ICP Programs exam questions added this week. Our preparation tool is more than just a API study aid; it's a strategic advantage.

Our free ICP Programs practice questions crafted to reflect the domains and difficulty of the actual exam. The detailed rationales explain the 'why' behind each answer, reinforcing key concepts about API-571. Use this test to pinpoint which areas you need to focus your study on.

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Question # 11

(The most effective protection of carbon steel pilings from soil-side corrosion is a combination of a:)

Options:

A.  

Corrosion-resistant coating and a cathodic protection system

B.  

Galvanizing and a cathodic protection system

C.  

Corrosion-resistant coating and a clean sand backfill

D.  

Clean sand backfill and a cathodic protection system

Discussion 0
Question # 12

The most effective means of preventing caustic stress corrosion cracking is:

Options:

A.  

Postweld heat treatment

B.  

Upgrading to 300 series stainless steel

C.  

Reducing caustic concentration

D.  

Controlling process temperature during steamouts

Discussion 0
Question # 13

(Amine cracking is most often associated with which services?)

Options:

A.  

Lean amine

B.  

Rich amine

C.  

Amine solutions below 140 °F (60 °C)

D.  

High concentration amines

Discussion 0
Question # 14

Besides corrosion, what other damage mechanism in hydrofluoric (HF) acid service should inspectors be alert to?

Options:

A.  

Hydrogen stress cracking

B.  

Fluoride stress cracking

C.  

Stress corrosion cracking

D.  

Wet HF cracking

Discussion 0
Question # 15

Which of the following generally manifests itself as a subsurface damage mechanism?

Options:

A.  

Sulfide Stress Corrosion Cracking (SCC)

B.  

Amine Stress Corrosion Cracking

C.  

Caustic Cracking

D.  

Stress-Oriented Hydrogen-Induced Cracking (SOHIC)

Discussion 0
Question # 16

(What nondestructive examination (NDE) technique requires the least amount of surface preparation to locate wet H₂S damage mechanisms?)

Options:

A.  

ACFM

B.  

SWUT

C.  

WFMT

D.  

LPT

Discussion 0
Question # 17

The best method for finding damage from sigma phase embrittlement is:

Options:

A.  

Hardness testing

B.  

Ductility testing

C.  

Magnetic particle testing

D.  

Metallographic testing

Discussion 0
Question # 18

(For hydrogen embrittlement, the amount of hydrogen necessary for a measurable effect on the mechanical properties varies with the alloy's strength, microstructure, and:)

Options:

A.  

Modulus of elasticity

B.  

Coefficient of thermal conductivity

C.  

Melting point

D.  

Heat treatment

Discussion 0
Question # 19

An inspector has discovered significant cracking in a T-joint where hot and cold hydrogen-containing streams are mixing in a hydroprocess unit. What damage mechanism should the inspector suspect is the cause?

Options:

A.  

Mixing point corrosion

B.  

Injection point corrosion

C.  

Thermal fatigue

D.  

Hydrogen embrittlement

Discussion 0
Question # 20

(Cooling water corrosion usually increases with decreasing:)

Options:

A.  

Microbiological activity

B.  

Oxygen content

C.  

Process temperatures

D.  

Velocities

Discussion 0
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