acoustic emission testing quiz
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- Acoustic Emission Testing Quiz - Basic Level Questions & Answers
Question [Ref] read
1 In what acoustic frequency range works AE testing usually? - NDT
Encyclopedia AE
a) 10 Hz - 100 KHz
b) 20 KHz to 1 MHz
c) 20 KHz to 100 KHz2 What generates the acoustic waves?
- NDT Encyclopedia AE
a) the transducer
b) the crack3
How many transducers are used to record the acoustic waves - NDT
Encyclopedia AE - sensor
a) One and more transducers
b) Always one transducer
c) Four transducers4
What kind of signal is generated by a crack - NDT
Encyclopedia AE - signal
a) shock wave signal
b) continuous signal
c) burst signal5
What is a guard sensor - NDT
Encyclopedia AE - guard sensor
a) to discriminate from sources originating outside the area of interestb) to localize the position of an acoustic emission source
6What did Hsu-Nielsen invent
- NDT Encyclopedia AE - Hsu-Nielsen
a) an acoustic emission transducer
b) an aid to simulate an acoustic emission event
c) a signal filter techniquepencil lead break. ')">7
What is the Kaiser effect - NDT
Encyclopedia AE - Kaiser effect
a) describes the phenomenon that a material under load emits acoustic waves only after a primary load level is exceededb) appearance of significant acoustic emission at a load level below the previous maximum applied level
8What effect appears first when loading a material
- NDT Encyclopedia AE - Felicity effect
a) the Kaiser effect
b) the Felicity effect9 What can AE not be used for
- NDT Encyclopedia AE
a) defect location
b) defect sizing10
What is an important wave mode in AE testing - NDT
Encyclopedia AE - Wave velocity
a) longitudinal wave
b) transversal wave
c) Lamb wave
Questions & Answers - Acoustic Emission Testing Quiz - Basic Level
Question [Ref] read
1 In what acoustic frequency range works AE testing usually?
- NDT Encyclopedia AE
a) 10 Hz - 100 KHz
b) 20 KHz to 1 MHz
c) 20 KHz to 100 KHz2 What generates the acoustic
waves? - NDT Encyclopedia AE
a) the transducer
b) the crack3 How many transducers are used
to record the acoustic waves - NDT Encyclopedia AE - sensor
a) One and more transducers
b) Always one transducer
c) Four transducers4 What kind of signal is generated
by a crack - NDT Encyclopedia AE - signal
a) shock wave signal
b) continuous signal
c) burst signal5 What is a guard sensor - NDT Encyclopedia AE - guard sensor
a) to discriminate from sources originating outside the area of interestb) to localize the position of an acoustic emission source
6 What did Hsu-Nielsen invent - NDT Encyclopedia AE - Hsu-Nielsen
a) an acoustic emission transducerb) an aid to simulate an acoustic emission eventc) a signal filter technique
pencil lead break. ')">7 What is the Kaiser effect - NDT Encyclopedia AE - Kaiser effect
a) describes the phenomenon that a material under load emits acoustic waves only after a primary load level is exceededb) appearance of significant acoustic emission at a load level below the previous maximum applied level
8 What effect appears first when loading a material
- NDT Encyclopedia AE - Felicity effect
a) the Kaiser effect
b) the Felicity effect9 What can AE not be used for - NDT Encyclopedia AE
a) defect location
b) defect sizing10 What is an important wave mode
in AE testing - NDT Encyclopedia AE - Wave velocity
a) longitudinal wave
b) transversal wave
c) Lamb wave
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