This week's Technical Q & A comes from the NDT team.
Q. What is acoustic impedance a product of?
A) Material density and the velocity of sound through it.
B) Sound velocity through a material and it's elasticity.
C) Material density and elasticity.
D) Material elasticity and specific gravity.
Answer: A) Material density and the velocity of sound through it.
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Harris Pye Engineering Ltd
Geoff Magaskil, JT Price