Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

653 > API 575 Section 8 > Flashcards

API 575 Section 8 Flashcards

1
Q

Safety precautions dealing with tank entry are discussed in:

A. API 2015.
B. API 2201.
C. API 2601.
D. USDA 4601

A

A. API 2015. (8.1.1)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Prior to entering a tank, be sure to:

A. lock out all tank relief devices.
B. check condition of overhead structures inside the tank.
C. review the API 653 Appendix D checklist.
D. take external UT readings on the shell.

A

B. check condition of overhead structures inside the tank. (8.1.3)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Prior to going inside a floating roof tank, be sure to:

A. check that there is not a significant amount of liquid on the roof.
B. review tank entry guidelines specified in API 579.
C. review the API 653 Appendix B checklist.
D. take external UT readings on the roof.

A

A. check that there is not a significant amount of liquid on the roof. (8.1.3)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Inspection paint or crayon markers used on SS should be free of:

A. bromides.
B. chlorides.
C. oxides.
D. sulfides.

A

B. chlorides. (8.1.4-table 1)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

A detailed checklist for suggested things to do when performing an external inspection is found in:

A. API 575 Annex A.
B. API 650 Annex I.
C. API 653 Annex C.
D. API 780 Annex B.

A

C. API 653 Annex C. (8.2.1)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

How should ladders and stairs be inspected? This may have more than one correct answer, select all answers that apply.

A. Light hammer testing
B. PT
C. UT
D. Visual

A

A. Light hammer testing, D. Visual (8.2.2)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Which handrail member should be given special attention?

A. Angle iron
B. Bars
C. T-bars
D. Tubular

A

D. Tubular (8.2.2)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Crevices in structural members should be checked with:

A. UT.
B. UT or RT.
C. MT or PT.
D. scrapper or hammer

A

D. scrapper or hammer (8.2.2)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Low spots on a platform that collect water are places where corrosion can occur. A simple solution to solve this problem is to:

A. drill a drain hole.
B. replace the platform.
C. add an additional support to “cone-up” the platform.
D. remove the platform and providing a rope to hang on.

A

A. drill a drain hole. (8.2.3)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Anchor bolt corrosion below the nut can be checked by using:

A. acoustic emission.
B. eddy current.
C. hammer testing.
D. RT.

A

C. hammer testing. (8.2.5)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Tank grounding connections should be checked:

A. per API 651.
B. per API 2601.
C. with an ammeter.
D. visually.

A

D. visually. (8.2.6)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

The resistance in tank grounding should not exceed:

A. 5 ohms.
B. 25 ohms.
C. 50 ohms.
D. 250 ohms

A

B. 25 ohms. (8.2.6)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Which document provides information concerning the use of tank grounding to prevent static electricity?

A. API 549
B. API 2001
C. API 2003
D. API 2201

A

C. API 2003 (8.2.6)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Which coating problem is the most difficult to detect?

A. Blister
B. Bonding failure
C. Holiday
D. Graffiti

A

B. Bonding failure (8.2.7)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Coating bond failure often occurs:

A. nozzles.
B. repads.
C. below seam leaks.
D. shady side of the tank.

A

C. below seam leaks. (8.2.7)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

A tank is insulated. Where is a likely spot for external shell corrosion?

A. Nozzles
B. Shady side of the tank
C. Sunny side of the tank
D. Top shell course

A

B. Shady side of the tank (8.2.8)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What technique(s) can be used to find hot or cold spots in insulation?

A. Acoustic Emission or Neutron back-scatter
B. Acoustic Emission or EMAT C. Guided wave UT or EMAT
D. Thermography or Neutron back-scatter

A

D. Thermography or Neutron back-scatter (8.2.8)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

CUI in carbon steel is most aggressive at a temperature range of:

A. 10 - 350 °F.
B. 50 - 150 °F.
C. 170 - 230 °F.
D. 180 - 250 °F.

A

C. 170 - 230 °F. (8.2.8)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

CUI in carbon steel can occur at a temperature range of:

A. 10 - 350 °F.
B. 25 - 225 °F.
C. 140 - 350 °F.
D. 280 - 400 °F.

A

A. 10 - 350 °F. (8.2.8)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What is a safety issue concerning the external inspection of an insulated warm tank?

A. Roof may be corroded and too thin to walk on
B. Difficult to get vapor free for hot work
C. Removal of fiberglass insulations can cause mesothelioma
D. Potential for tank brittle failure

A

A. Roof may be corroded and too thin to walk on (8.2.8)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Where is a typical place for external corrosion on a tank shell?

A. At the bottom of the shell
B. Near the top
C. Below a horizontal weld seam
D. There is not a typical location for external shell corrosion

A

A. At the bottom of the shell (8.2.9.1)

22
Q

Which of the following causes corrosion at the bottom of a tank shell? This may have more than one correct answer, select all answers that apply.

A. Build-up of soil or some foreign material on the shell
B. Movement of ground water up the shell by capillary action C. Leakage of a corrosive tank product
D. Spalling of concrete ringwall

A

A. Build-up of soil or some foreign material on the shell, C. Leakage of a corrosive tank product (8.2.9.1)

23
Q

Rigorous hammer testing of the tank shell should:

A. never be done.
B. never be done on a tank that is in service.
C. be done only by a ASNT technician.
D. be done to stress relieve the hammer tester!

A

B. never be done on a tank that is in service. (8.2.9.1)

24
Q

The upper shell of a floating roof tank has the potential for atmospheric corrosion on both sides. On floating roof tanks with uncoated shells, special attention should be given to the shell on the upper:

A. 12”.
B. 24”.
C. 36”.
D. shell course

A

B. 24”. (8.2.9.2.3)

25
Q

Where are typical locations for CMLs on a tank shell?

A. Five readings per shell course at the 4 tank quadrants. B. Six per the lower two shell courses, 2 on each of the remaining courses.
C. Use UT crawler on 8 vertical lines, record low reading per course.
D. Three per shell course, one near bottom, middle and top of each course.

A

D. Three per shell course, one near bottom, middle and top of each course. (8.2.9.2.4)

26
Q

Where is a common location for localized corrosion on a tank shell?

A. Around nozzle openings
B. On the shell wall opposite from a tank mixer
C. At the liquid/vapor interface, if tank level is often maintained at one height
D. On the inside of the shell opposite external brackets

A

B. On the shell wall opposite from a tank mixer (8.2.9.2.5)

27
Q

When monitoring localized corrosion, CML’s should be:

A. monitored by someone with the appropriate SNT-TC-1A certification.
B. measured with digital UT to determine exact thickness.
C. measured with profile RT when examining nozzles that are < 10 NPS.
D. precisely located, so future readings will be at the exact location

A

D. precisely located, so future readings will be at the exact location (8.2.9.2.5)

28
Q

What is the best way to take UT thickness readings through a thin-film coating?

A. Remove the coating at the examination point
B. Subtract the thickness of the coating from the UT reading
C. Use a multi-echo thickness scope
D. Let someone else take the reading!

A

C. Use a multi-echo thickness scope (8.2.9.2.6)

29
Q

Examiners that take thickness readings on tanks should be:

A. trained and competent.
B. qualified to the Owner/Opeartors procedures. C. certified to either ASNT SNT-TC-1A or CP-189.
D. certified to API QUTE

A

A. trained and competent. (8.2.9.2.6)

30
Q

The required NDE qualifications for UT examiners are specified by the:

A. API 653 Authorized Inspector.
B. Owner/Operator.
C. NDE Specialist.
D. Tank Engineer

A

B. Owner/Operator. (8.2.9.2.6)

31
Q

Stiffeners and wind girders are normally:

A. hammer tested.
B. visually inspected.
C. hammer tested and visually inspected.
D. not inspected.

A

C. hammer tested and visually inspected. (8.2.9.3)

32
Q

When checking for cracks in a wind girder, which technique should not be used to determine the extent of cracking for an in-service tank?

A. MT with prods
B. MT with yoke and dry particles
C. MT with yoke and wet particles
D. PT

A

A. MT with prods (8.2.9.3)

33
Q

A tank is in caustic service. A very common place for caustic cracking is at:

A. vertical shell welds.
B. nozzle to shell welds.
C. bottom-to-shell weld.
D. connections for internal heating units.

A

D. connections for internal heating units. (8.2.9.4.1)

34
Q

Caustic and amine SCC shows up as:

A. external cracks.
B. internal cracks.
C. external pits.
D. internal pits.

A

B. internal cracks. (8.2.9.4.1)

35
Q

Caustic that seeps out of a tank crack will appear as a:

A. brown oxide.
B. green goo.
C. red deposit.
D. white salt

A

D. white salt (8.2.9.4.1)

36
Q

During an inspection of a caustic tank, cracking has been found at a few nozzles. The inspector develops a repair plan for these cracks. If the metal in the repair area is not thoroughly cleaned & neutralized, what might occur during welding?

A. Additional cracking
B. Arc blow
C. Creation of pyrophoric iron D. Small fire

A

A. Additional cracking (8.2.9.4.1)

37
Q

Guidelines for preventing and mitigating ethanol stress corrosion cracking (eSCC) are found in:

A. API 650 Annex E.
B. API 653 Annex H.
C. API 939E.
D. ASME PCC-1.

A

C. API 939E. (8.2.9.4.2)

38
Q

What NDE technique is often specified for tanks subject to eSCC?

A. PT
B. RT
C. UT flaw detection
D. WFMT

A

D. WFMT (8.2.9.4.2)

39
Q

When inspecting for eSCC, which areas should be examined? This may have more than one correct answer, select all answers that apply.

A. Uncoated bottom lap welds B. All shell welds
C. All shell & nozzle welds below the first horizontal weld D. Roof-to-shell weld

A

A. Uncoated bottom lap welds, C. All shell & nozzle welds below the first horizontal weld (8.2.9.4.2)

40
Q

WFMT is used to examine specific welds for eSCC. The examination zone is the weld plus:

A. 1” on both sides of the weld. B. 3” on both sides of the weld. C. 6” on both sides of the weld. D. 12” on both sides of the weld.

A

C. 6” on both sides of the weld (8.2.4.9.4.2)

41
Q

Hydrogen blistering is most easily found by using:

A. hammer testing.
B. RT.
C. UT scan.
D. visual and by touch.

A

D. visual and by touch (8.2.9.5)

42
Q

Hydrogen blistering can easily be found on the shell by:

A. holding a flashlight perpendicular to the shell.
B. holding a flashlight against the shell with the beam parallel to the shell.
C. UT A-scan.
D. MFL scan.

A

B. holding a flashlight against the shell with the beam parallel to the shell. (8.2.9.5)

43
Q

Which of the following welds is the most highly stressed? Any cracking found in this weld on an in-service tank must be addressed immediately?

A. Bottom-to-shell weld
B. Bottom lap welds
C. Horizontal shell welds
D. Shell-to-roof weld

A

A. Bottom-to-shell weld (8.2.9.6.1)

44
Q

Repad weep holes should be:

A. threaded and plugged.
B. welded up after the initial leak test is performed.
C. used for a pressure test of the nozzle welds at every tank outage.
D. left open or filled with grease or caulk.

A

D. left open or filled with grease or caulk. (8.2.9.6.2)

45
Q

During an external inspection, a leak is found in a tank shell. What is the appropriate action?

A. Weld a fillet-weld patch over the leak
B. Within 3 months take the tank out of service
C. If the leak is a result of a crack, quickly take the tank out of service
D. If the leak is a result of a through-wall pit, take the tank out of service

A

C. If the leak is a result of a crack, quickly take the tank out of service (8.2.9.6.3)

46
Q

If a crack is found in a tank weld, the entire suspected area should be:

A. cleaned and then examined with a visual exam.
B. cleaned and then examined with either a MT or PT exam.
C. examined by thermography. D. examined by weld quality RT

A

B. cleaned and then examined with either a MT or PT exam. (8.2.9.6.4)

47
Q

Which of the following is not a cause of tank deformation?

A. Defective vent
B. Earthquake
C. Exceeded product fill height D. Settlement
E. Wind

A

C. Exceeded product fill height (8.2.9.6.5)

48
Q

Which of the following welds is least likely to crack as the result of tank deformation?

A. Bottom-to-shell weld
B. Horizontal shell welds
C. Shell-to-Roof weld
D. Vertical shell welds

A

B. Horizontal shell welds (8.2.9.6.5)

49
Q

When cracking is suspect in an area of tank deformation, which NDE is preferred?

A. MT
B. PT
C. RT
D. UT

A

A. MT (8.2.9.6.5)

50
Q

How can rivets be checked for tightness?

A. By lightly tabbing one side and holding a finger on the opposite side
B. UT straight beam
C. UT shear wave
D. Visually

A

A. By lightly tabbing one side and holding a finger on the opposite side (8.2.9.7)

51
Q

A suitable means of determining the overall integrity of the roof is:

A. hammer testing.
B. hammer testing or MFL.
C. UT examination or hammer testing.
D. UT examination or MFL.

A

D. UT examination or MFL. (8.2.10.1.1)

653 (11 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions