Closed book 4 Flashcards

1
Q

Profile RT may be used for measuring

A

nozzle thickness

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2
Q

Minimum temperature for repair welding

A

0F or -20C

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3
Q

PMI tools shall be calibrated

A

as specified by the manufacturer

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4
Q

What material can be used to reduce the effect of CUI

A

Closed cell foam

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5
Q

Arc blow is caused by

A

magnetic forces

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6
Q

Inaccurate RT or UT results

A

do more UTT via A B or C scan (fucking dumb i know)

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7
Q

Filler material is weaker than the parent, repair thickness must not be more than

A

50% of required thickness of base metal

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8
Q

Stainless steel weld repairs in hydrogen service should be cooled down then tested by

A

PT (before UT after 24 hours)

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9
Q

Safety aspects of hot tapping are found in

A

API 2201

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10
Q

CDW is used for materials which are XXX than those that use PWHT

A

More brittle

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11
Q

Examination point is

A

a recording point within a CML

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12
Q

who is responsible for determining the amount of PMI required on materials for repair

A

Owner/user

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13
Q

After CDW, the final weld layer should be

A

Ground flush to bare metal

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14
Q

After repairs, for vessels susceptible to Brittle fracture

A

additional surface NDE requested by inspector

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15
Q

Advantage of stud welding

A

can be used in any position

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16
Q

Before removing a PRV what should be checked

A

connected piping

17
Q

what should be done if sulfidisation is anticipated

A

proactive & retroactive PMI programs

18
Q

Discontinuity usually found in the weld toe

A

overlap

19
Q

Clean fracture and low impact toughness shows that the material is

A

not tough

20
Q

Preferred method for finding SCC is

A

EC or PT

21
Q

if finding a gauge glass assembly vibrating, the inspector should

A

consult with a qualified engineer

22
Q

new vessels installed, with completed MDR, the inspector should

A

EXTERNAL inspection

23
Q

best method to mitigate caustic SCC in steam service

A

design

24
Q

insert plates can have the RT substituted by UT if

A

approved by the inspector

25
Q

CR is calculated by

A

thinnest or an average of readings

26
Q

Inspector must pass 510 &

A

may be a contractor acceptable to owner operator

27
Q

When does the nameplate need additional stamping or signing by the engineer

A

NEVER

28
Q

What MUST be in the vessel record

A

name plate

29
Q

Vessels in parallel process may be considered similar if

A

they have analogous and readily recognised similarities

30
Q

What inspections may be done on redundant vessels left in-situ

A

external visual inspection

31
Q

Carbon steel with carbon content above .3% may be used in repairs if

A

it is marked as per code requirement

32
Q

documentation oin file if service & location change

A

Process safety information

33
Q

Limitation of stud arc welding

A

plain carbon & low alloy steels only

34
Q

inspection organisation may belong to the owner and be authorised inspector if

A

its only inspecting its own equipment

35
Q

Direct current MT yoke must be able to lift XX

A

40 Lbs

36
Q

Bulging & buckling in a metallic lining indicated

A

a leak in lining or attachment welds

37
Q

Most important factor in determining a components resistance to fatigue cracking?

A

Design