Section 3 - Defenitions

Question 1

Which of the following is considered a vessel alteration?

A. Addition of non-reinforced nozzle

B. Weld build up in a locally corroded area

C. Replacement of a hemi-spherical head with a tori-spherical head.

D. Addition of Fillet weld patch

Answer 1

C. Replacement of a hemi-spherical head with a tori-spherical head.

Question 2

An alteration on a vessel is defined as ?

Answer 2

A physical change with design implications

Question 3

An 8 NPS nozzle is going to be added to a 2-to-1 ellipsoidal vessel head. The vessel is rated for 350 psig at 500°F. The vessel has inside diameter of 72”. The largest existing nozzle on the vessel is 18 NPS. Which of the following is true?

A. This work will be considered an alteration
B. The root pass on the welds must be checked with either MT or PT
C. The vessel must be hydrotest after the nozzles are completed
D. This must be authorized by the inspector in approved by the engineer.

Answer 3

D. This must be authorized by the inspector in approved by the engineer.

Question 4

A 14 NPS nozzle is going to be added to a vessel shell. The vessel is rated for 100 psig at 650°F. And has an existing 10 NPS nozzle. Which of the following is true?

A. This work is considered an alteration

B. This work is considered a repair

C. The shell to nozzle weld must be radiographed

D. This work must be authorize only buy the API 510 inspector

Answer 4

A. This work is considered an alteration

Question 5

Which of the following inspection organization is NOT considered an acceptable API 510 authorize inspection agency?

A. Holder of an appropriate ASME code symbol

B. Insurance company that writes pressure vessel insurance

C. The owner/user

D. The jurisdiction

Answer 5

A. Holder of an appropriate ASME code symbol

Question 6

Which of the following is considered an API 510 authorized inspection agency?

A. The owner/users operating department

B. The inspection organization of the jurisdiction

C. An NDE contract organization

D. The inspection department of a vessel manufacture

Answer 6

B. The inspection organization of the jurisdiction

Question 7

A CML is ?

Answer 7

Either a small spot on a vessel/nozzle or a plane through a nozzle section.

Question 8

Fatigue damage comes from?

Answer 8

Cyclic loading

Question 9

Which of the following does NOT contribute to fatigue damage?

A. Cyclic mechanical loadings

B. Cyclic platform loadings

C. Cyclic pressure loadings

D. Cyclic temperature loadings

Answer 9

B. Cyclic platform loadings

Question 10

A defect is an?

Answer 10

Imperfection that does exceed the acceptance criteria.

Question 11

What is the maximum diameter of an examination point?

Answer 11

3”

Question 12

What is the term used to describe base metal whose mechanical properties or microstructure has been Altered by welding or thermal cutting?

Answer 12

Heat effective zone.

Question 13

And imperfection is a?

Answer 13

Flaw that may or may not exceed the acceptance criteria.

Question 14

During a process outage, a vessel is considered?

A. In-service

B. Out of service

C. Out of service but still active

D. To be non-corrosive

Answer 14

A. In-service

Question 15

Using a document to work process and risk assessment to Lansing and interval beyond it’s due date is called a?

Answer 15

Deferral

Question 16

Established limits for process variables that affect equipment integrity are called?

Answer 16

Integrity operating windows (IOWs).

Question 17

Work that removes and replaces a major part of the pressure boundary (not including nozzles)is called a?

Answer 17

Major repair

Question 18

Hey management of change (MOC)work process should be completed prior to?

A. Physical changes

B. Process changes

C. Either physical or process changes

D. Either personnel, physical or process changes

Answer 18

C. Either physical or process changes

Question 19

MAWP is defined as the maximum pressure?

Answer 19

At the top of the vessel

Question 20

MAT is defined as?

Answer 20

Minimum allowed temperature

Question 21

Internal distributor piping is?

A. Consider a non-pressure boundary vessel component.

B. Consider a pressure boundary vessel component.

C. Design to the vessel construction code.

D. Design to a pipe in construction code.

Answer 21

A. Consider a non-pressure boundary vessel component.

Question 22

Which of the following is NOT correct concerning plate lining?

A. Lining is installed on the inside of the vessel

B. Lining can be plate or weld build up

C. Lining is welded to the Shell

D. Usually the lining is a more corrosive resistant material than the shell

Answer 22

B. Lining can be plate or weld build up

Question 23

Which of the following equipment types is covered by a API 510?

A. Knocked out drum rated at 12 PSIG at 400°F

B. Tubular heater

C. Unfired steam boiler

D. A 36” expansion joints

Answer 23

C. Unfired steam boiler

Question 24

A pressure vessel engineer must:

A. Have a list of experts to call for specific situations.

B. Know the answer to every question posed by an inspector.

C. Be directly employed by the owner/user.

D. Have to obtain professional engineer status.

Answer 24

A. Have a list of experts to call for specific situations.

Question 25

The physical activities that are conducted to check conformance with specifications are called?

Answer 25

Quality control

Question 26

A repair on a vessel is defined as?

Answer 26

The work necessary to restore a vessel to a suitable safe condition

Question 27

A vessels hemi-spherical head has corroded is going to be replaced in-kind at the next outage. The vessel is rated for 150 psig at 700°F. The vessel has 60” ID. which of the following is true?

A. This work is considered an alteration

B. This work is considered a repair

C. This work is considered a rerate

D. This work must be done in accordance with API 2201

Answer 27

B. This work is considered a repair

Question 28

Which of the following is NOT considered an acceptable API 510 repair organization for vessels?

A. A contract company that is acceptable to the owner/user

B. The governing Jurisdiction for the Location of the pressure vessel

C. The owner/user that owns the pressure vessel

D. A holder of a valid NBICR “R” stamp

Answer 28

B. The governing Jurisdiction for the Location of the pressure vessel

Question 29

Which of the following is not considered a vessel rerate ?

A. Decrease the MDMT

B. Increase the design pressure

C. Increase the design temperature

D. Increase the fluid viscosity

Answer 29

D. Increase the fluid viscosity

Question 30

In a RBI assessment, the two primary factors of risk are the:

Answer 30

Consequence of failure and probability of failure

Question 31

What is the difference between play lining in stripped lining?

Answer 31

Plate lining is wider than strip lining

Question 32

Temper embrittlement occurs in certain materials when ?

Answer 32

The process temperatures exceed 650°F

Question 33

Low chrome materials are subject to temper embrittlement. These materials are?

A. Brittle when new

B. Become brittle due to welding

C. Brittle at temperatures above 650°F

D. Brittle at low temperatures due to metallurgical changes that occurred during high temperature operation.

Answer 33

D. Brittle at low temperatures due to metallurgical changes that occurred during high temperature operation.

Question 34

A pressure test use after maintenance work to assure that the equipment is league free It’s called ?

Answer 34

Tightness test