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Question 1

Steels with CE greater than 0.55% typically require:

Options :

A : Preheating only

B : Pre-heating & PWHT

C : No pre- heating or PWHT

D : PWHT only

Answer: B

Question 2

The NDE Examiner that performs the radiographic film interpretation should be qualified, as a minimum, toa _____.

Options :

A : ASNT Level I

B : ASNT Level II

C : ASNT Level III

D : ASNT Level IV

Answer: B

Question 3

A combination of corrosion and erosion results in significantly greater metal loss that can be expected from corrosion or erosion alone. This type of loss occurs at

Options :

A : high-velocity and high-turbulence areas

B : areas where condensation or exposure to wet hydrogen sulphide or carbonates occur

C : surface-to-air interfaces f buried piping

D : areas where gradual loss of material occurs because of a corrosive medium

Answer: A

Question 4

Austenitic stainless steels typically contain chrome and nickel, and are used for:

Options :

A : corrosion resistance

B : resistance to high temperature degradation

C : sulfur resistance

D : both a and b, above

Answer: D

Question 5

Resistance to sulphidation is generally achieved by

Options :

A : Upgrading to higher nickel alloys

B : Upgrading to higher chromium alloys

C : Upgrading to higher copper based alloys

D : All of the above.

Answer: B