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PT II > PT II Lesson 5 > Flashcards

PT II Lesson 5 Flashcards

1
Q

Selection depends on several factors such as:

A

Customer requirements
Specification requirements
Engineering design requirements

Sensitivity requirements
Size and number of test objects
Surface conditions of test objects

Configuration of the test objects
Cost of equipment and materials

Availability of water, electricity, compressed air, and suitable testing area

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2
Q

What are the advantages of Type 1 penetrant?

A

Easier to see indications

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3
Q

What are the disadvantages of type 1 penetrant?

A

Need a dark room and special lighting

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4
Q

What are the advantages of type 2 penetrant

A

No special lighting required

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5
Q

What are the disadvantages of type 2 penetrant

A

Less sensitive indications

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6
Q

Advantages of type 3 penetrations?

A

Flexible impimentation

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7
Q

Disadvantages of type 3 penetrants?

A

Less contrast than type 1 and 2

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8
Q

Advantages of method A penetrant

A

Fast
inexpensive
chemically safer

can be portable

can be used for larger castings, forgings, or small machined objects

does not need an emulsifier and requires less steps

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9
Q

Disadvantages of Method A penetrant

A

Risk of over washing
Less sensitive than other methods

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10
Q

Advantages of method B penetrant

A

One of the most sensitive methods
Less danger of over washing
Can reprocess the test item in the emulsifier

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11
Q

Disadvantages of method B penetrant

A

More control process checks
Have to time emulsification time
more expensive

more steps, slower
Not allowed by some industry specifications

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12
Q

Advantages of method C penetrant

A

Portable
Little set up

No process control checks like other methods
No power supply or running water is needed if it’s a type II

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13
Q

Disadvantages of method C penetrant

A

Wiping method makes the process slower
not as sensitive as the other types
difficult to use on larger surfaces

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14
Q

Advantages of method D penetrant

A

Most sensitive
Less danger of over washing

The use of sprayers for water and emulsifier can make this method faster

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15
Q

Disadvantages of method D penetrant

A

Costly
Extra steps with emulsifier
More process control checks

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16
Q

Form A developer advantages

A

Good for rough surfaces
easy to handle and transport
Does not leave film when removed, thus no special cleaning required

Inexpensive

can be applied by blowing, immersion, pouring, fog chamber, or spraying

17
Q

Form A developer disadvantages

A

Test object must be completely dry
over drying can reduce sensitivity bruh

least sensitive and shouldn’t be used with visible penetrant

May need respirators

18
Q

Form B developer advantages

A

May be applied by dipping, spraying, or flowing

test object can be wet or dry when applying the developer

No need for agitation

particles easy to remove in post-cleaning

19
Q

Form B developer disadvantages

A

Indications can be blurred if not dried quickly

Requires daily maintenance checks

Typically not used with water washable or visible penetrants

20
Q

Form C developer advantages

A

Can be applied by immersion, spraying, or flowing

Test object can be wet or dry when applying developer

Developer particles are very absorptive when dried

21
Q

Form C developer disadvantages

A

Produces runs and streaks

requires frequent agitation or stirring

Requires daily maintenance checks when used in tanks

22
Q

Form D and E developer advantages

A

Most sensitive developers

portable in aerosol cans, thus minimal risk of contamination

Thickness and area easily controlled by operator

Dries easily

23
Q

Form D and E developer disadvantages

A

Only applied to test surface with spray gun or aerosol can

Test object must be completely dry

Needs constant agitation

Cans yield small spray area and coverage, thus large surfaces would be hard to cover bruh

24
Q

Form F developer advantages

A

Used in extreme environment conditions that other developers can’t be used in

Some special developers create permanent indications to provide permanent record of indications

25
Q

Form F developer disadvantages

A

May lack the sensitivity and clarity of other developers

26
Q

Which form of developer should not be used with visible penetrant?

A

Form A, bruh

27
Q

Which developer should not to be used with visible dye penetrants and must be applied to a dry surface?

A

Form A, Bruhbruhnigga

28
Q

Which developer can produce streaks or runs?

A

Water Sus

PT II (4 decks)

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