Test 4 Flashcards

(35 cards)

1
Q

PPE Finishing room

A
  • apron
    -shoes
    -glasses
    -hat
    -hearing protection
    -snood
    -face shield
    -gloves
    -long sleeves
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2
Q

what goes on a casting after shakeout

A

blue tag, heat and job number

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3
Q

biggest concern with arc

A

ability to affect surface hardness

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4
Q

defect removals

A

grind,chip,arc

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5
Q

big flask removal

A

backhoe

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6
Q

rework causes

A

over grind, over arc, over burn, over chip

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7
Q

MT

A

ferrous

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8
Q

PT

A

nonferrous

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9
Q

Finishing room objective

A

take rough casting to a neat state

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10
Q

why are risers/gates colored

A

to reuse and identify

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11
Q

ND

A

defects

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12
Q

thermal wire purpose

A

records the temperatures at various locations on the casting and test bar during heat process

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13
Q

flame impingement

A

when flames touch casting

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14
Q

value of heat treatment and quenching

A

meeting property requirements of the material speculations

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15
Q

where are procedures found

A

NNS COMMAND MEDIA

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16
Q

visual testing

A

good eyesight, on surface

17
Q

magnetic particle testing (MT)

A

small Cracks on surface, cheap

18
Q

liquid penetration

A

finds defects open to the surface

19
Q

radiographic (RT)

A

defects inside casting

20
Q

ultrasonic purpose and tools

A

sound waves
oscilloscope and transducer and goop

22
Q

UT

23
Q

inclusion defect

A

holes in casting
loosely rammed sand,dirty metal,broken gating

24
Q

veining defect

A

looks like a veign
high heat in corners

25
burn in defect
looks like penetrating metal in corner loose rammed sand,high heat in corner
26
rat tails defect
buckling surface valley sand expansion
27
porosity defect
looks like pores mold moisture,lack of vents/pop off, condensation
28
hot tear defect
internal/external stress both combined/acting together
29
lapping defect
metal lapping incomplete metal fusion folding of metal
30
shrinking defect
void in casting, wrong chill placement
31
PAT
preventative action tag
32
the document that spells out the size of indecation allowance
technical publications
33
OQE
oven report RT/UT report NDT form Lab report
34
what is a sample casting used for
all processes produce a part of drawing speculation
35
why are casting sketches made
to help the inspection team demensionally verify the casting