Question 1

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 2

The dewpoint of hydrochloric acid depends on the concentration of hydrogen chloride. It is typically about _________.

Options :

A : 180º F

B : 160º F

C : 130º F

D : 110º F

Answer: C

Question 3

Temper embrittlement is a metallurgical change that is not readily apparent and can be confirmed through ________.

Options :

A : Metallographic examination

B : Impact testing

C : Metallography

D : None of the above

Answer: B

Question 4

Cracks associated with brittle fracture will typically be _________.

Options :

A : Jagged

B : Branching

C : Straight

D : Perpendicular

Answer: C

Question 5

Short term overheating is a permanent deformation occurring at relatively _________ stress levels as a result of localized overheating. This usually results in bulging and failure by stress rupture

Options :

A : Low

B : High

C : Even

D : None of the above

Answer: A

Free API-571 Mock Exam – Practice Online Confidently

Buying Options: