Question 1

A very specialized external loading weld test is the _________ test.

Options :

A : bend

B : Schindlerini

C : gleeble

D : rrc

Answer: A

Question 2

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 3

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 4

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 5

A local area has been thinned on the wall thickness of a flanged fitting. The fitting is NPS 8 Class 400, and the local area has been thinned to 0.400”. Is this corrosion acceptable per ASME B 16.5?

Options :

A : Yes

B : No

C : Cannot be calculated from information given

D : Wall thicknesses may not be less than that shown in B16.5

Answer: B

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