Electromagnetic Testing - ECT Q&A

Level 1 General Examination:
Q1. Choose the incorrect statement.
a) Eddy current testing was discovered by F.L. Eddie.
b) Faraday discovered electromagnetic induction.
c) Electromagnetic induction is the basis of the eddy current method.
d) Eddy current testing cannot be used to inspect non-conductors.
Q2. A symbol commonly used to express conductivity is:
a) μ. (mu)
b) σ. (sigma)
c) X L .
d) R.
Q3. A symbol commonly used to express permeability is:
a) μ.
b) σ.
c) X L .
d) R.
Charlie Chong/ Fion Zhang