Question 1

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 2

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 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

A blank is required between two NPS 10, 300 lb. class flanges. The maximum pressure in the system is 385 psi at 200 degrees F. A corrosion allowance of 0.175" is required. The inside diameter of the gasket surface is 9.25". The blank is ASTM A516 Grade 70 material with no weld joint. Calculate the pressure design thickness required for the blank

Options :

A : 0.789"

B : 0.692"

C : 0.556

D : 0.768"

Answer: B

Question 5

A welder continuity log should be maintained to allow verification that each welder has utilized each weldingprocess within a _______ period.

Options :

A : one year

B : 3 month

C : 2 year

D : six month

Answer: D

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