Miscellaneous Other

Question 1

Corrosion – pH level that causes corrosion to increase

Question 2

Corrosion – Chloride level where pitting on steel begins

Answer 2

10 ppm

Question 3

NDE - Weight used to check magnetic strength of an AC yoke

Answer 3

10 lb

Question 4

Grounding - Maximum electrical resistance permitted from tank to earth

Answer 4

25 ohm

Question 5

NDE – Min angle of eye-to-part to count as a Visual Exam

Answer 5

30 degrees

Question 6

NDE - Weight used to check magnetic strength of a DC yoke

Answer 6

40 lb

Question 7

NDE - Minimum light intensity when performing non- fluorescent MT or PT exams

Answer 7

100 ft-candles

Question 8

Vacuum Box - Minimum light intensity when performing vacuum testing

Answer 8

100 ft-candles

Question 9

NDE - Minimum black light intensity when performing fluorescent MT or PT exams

Answer 9

1000 micro- W/cm2

Question 10

Brittle – Shell stress when brittle fracture is NOT a concern

Question 11

NDE - Hole size that must be visible in RT when using a hole- type IQI

Answer 11

2T

Question 12

Weld Qualification - Maximum allowed thickness on a WPS based on the plate thickness (T) of a PQR test coupon

Answer 12

2T

Question 13

Weld Qualification – The “all-position” test coupon

Answer 13

6G

Question 14

NDE - Lead letter used during RT to check for backscatter radiation

Answer 14

B

Question 15

NDE - Lead letter used during RT to indicate a film-side IQI

Answer 15

F

Question 16

NDE - Lead letter used during RT to indicate a repaired weld

Answer 16

R

Question 17

Repairs – Material where pre-heat can be substituted for a required PWHT

Answer 17

P-1

Question 18

Repairs – Materials where control deposition welding can be substituted for a required PWHT

Answer 18

P1, P3, P4

Question 19

Hot Taps – Nozzle thickness for hot tapped nozzles

Answer 19

Ext Strong

Question 20

Repairs – Welding processes that can be used when substituting Preheat or Controlled Deposition welding for a required PWHT

Answer 20

SMAW, GMAW, FCAW, GTAW

Question 21

Corrosion – In a corrosion cell, the part that corrodes

Answer 21

Anode

Question 22

Corrosion – In a corrosion cell, the part that doesn’t corrode

Answer 22

Cathode

Question 23

Linings – Minimum surface prep prior to applying lining

Answer 23

NACE 2 Near-white

Question 24

Weld Qualification – Rejectable in RT when qualifying a welder

Answer 24

Crack, LoF, IP

Question 25

Reconstructed – Maximum allowed out-of-plumbness

Answer 25

1/100 height