Question 1

Oxygen and iron in the wash water injected into reactor effluent can lead to __________ corrosion and fouling.

Options :

A : Increased

B : Decreased

C : Substantial

D : Minimal

Answer: A

Question 2

Which of the following is not a method used to prevent brittle fracture?

Options :

A : Thorough inspections

B : Strict controls on selecting construction materials

C : Post weld heat treatment

D : Controlling minimum operating temperatures

Answer: A

Question 3

With ammonia stress corrosion cracking weld hardness should not exceed _______ BHN.

Options :

A : 237

B : 225

C : 235

D : 218

Answer: B

Question 4

Wet H²S services or _________ acid services are process where hydrogen diffuses into the steel and hydrogen embrittlement (HE) is an issue.

Options :

A : HF

B : Sulfuric

C : Caustic

D : HCL

Answer: A

Question 5

Which material does not have an endurance limit?

Options :

A : Non-normalized carbon steel

B : Normalized carbon steel

C : Stainless steel

D : Titanium

Answer: C

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