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

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

A welder continuity log should be maintained to allow verification that each welder has utilized each welding

process within a _______ period.

Options :

A : one year

B : 3 month

C : 2 year

D : six month

Answer: D

Question 5

The total resistivity for a Wenner 4-Pin test that utilizes pins spaced 2 feet apart and a 6 “R” factor is:

Options :

A : 2298 ohm/cm

B : 3500 ohm/cm

C : 6000 ohm/cm

D : 8000 ohm/cm

Answer: A