CWB Inspector Level 2, Chapter 9 exam with correct answers

CWB Inspector Level 2, Chapter 9 exam ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\




with correct answers ||\\||\\ ||\\||\\




capillary
It is genertrally accepted that liquid penetrants find thier way
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into fine defcts or opens by ______ action ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\




surfactant
a substance that tends to reduce the surface tension of a liquid
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in which it is dissolved. Also called a detergent
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wetting
the ability of a liquid to wet or intimately contact a solid surface.
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Water beading on a waxed car is an example of poor ______
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contact angle ||\\||\\




These photos show two very different examples of the ___ ___ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\




of liquid droplets on a surface
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Drawn
The liquid penetrant applied to surface does not just seep into
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an opening, it is ____ in ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\




all positions, due to capillary action
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What positions can liquid penetrant testing be performed? ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\




Surfaces must be completely clean of all contaminants ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\

, To be effective, what is crucial when performing liquid
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penetrant inspection? ||\\||\\




corrosive, flammable, evaporation, fine ||\\||\\ ||\\||\\ ||\\||\\




An ideal penetrant formulation will be:
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-Non- _____ ||\\||\\




-Non-_____
-resist _____ ||\\||\\




_penetrate ___ openings ||\\||\\ ||\\||\\




types of dyes, method of penetrant removal, types of developer
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What are the ways liquid penetrant testing methods are
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classified, such as in ASTM E-165, Standard Test Method for ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\




Liquid Penetrant Examination? ||\\||\\ ||\\||\\




fluorescent and non-fluorescent/visible ||\\||\\ ||\\||\\




What two types of dye are used in penetrants? ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\




wash with water, emulsifier and water wash , solvent wash
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What are the three methods of cleaning excess solvent after
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LPI?
Dry powder, non aqueous, water soluble, water suspendable
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What are the four types of LPI developer? ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\




it can be used on many materials including non ferrous metals,
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glass, ceramics ,and plastics ||\\||\\ ||\\||\\ ||\\||\\