10 Questions
What is the purpose of a couplant in non-destructive testing?
To exclude air between the transducer and the specimen
What is the primary function of an immersion transducer?
To transmit sound waves through a liquid coupling medium
What is the typical medium used in immersion transducers?
Water
What is the purpose of a focusing lens in an immersion transducer?
To focus the sound waves
What is the characteristic of a couplant material that prevents rapid flow off the material?
Viscous
In pulse-echo testing, what is the function of the second transducer?
To listen for reflected energy
What is the term for the initial pulse sent out by the transducer in pulse-echo testing?
Initial pulse
What is the purpose of a planar acoustic lens in an immersion transducer?
To focus sound waves
What is the term for the reflected energy received by the transducer in pulse-echo testing?
Echo
What is the requirement of a couplant material that prevents it from absorbing water?
Non-hygroscopic
Test your knowledge of non-destructive testing methods, specifically visual inspection techniques used to detect defects in components. Learn about the importance of regular breaks for inspectors and the types of defects that can be identified through unaided visual inspection.
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