ET Level 1 :: Eddy Current Testing MCQ’s Part-2 | Quiz Practice for ASNT/NDT Exam Questions

Non-Destructive Testing: Total 150′ Questions for Conduct of Examinations at NDT ET Level-1. (Quiz Part-1 50′ MCQs, Part-2 50′ MCQs, Part-3 50′ MCQs.).

Eddy Current Testing Level -1 (ET) General Examination Part-2

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ET Level 1 ASNT / NDT Test 2. This is a quiz over the various topics covered throughout the Eddy Current Testing Level 1 section to test your understanding. Click “below button ‘or ‘Scroll down” to start your test.

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ET Level 1 :: NDT Eddy Current Testing MCQ’s Practice Part-2


Some of the products commonly tested using encircling coils are:



Relative permeability is:



Use of the HPF is not recommended:



When an absolute probe is brought near a ferromagnetic material, the inductive reactance of the coil will:



A relative motion between the specimen and a_________ is needed in order to pick-up leakage flux.



What material(s) is/are commonly used to shield an eddy current probe?



Probes with iron cores tend to:



Wide surface probes are used when scanning:



In circular magnetization, the recommended magnetizing current in amperes per linear inch of section thickness is:



What will be the relative flux leakage level on the surface of the 1 x 7 strand cable (Figure FL-1) caused by an outer wire break compared with that caused by an inner wire break? (Assume that the gap between the ends of the broken wire is the same in both cases.)



Which type of probe is most commonly sued to inspect solid products such as bar stock?



Which of the following are a common eddy current reference standard?



Filters are adjusted in:



Which type of probe is most often used to inspect the inside diameter of a machined hole?



In the flux leakage examination of tubular products, which of the following discontinuities can be detected?



A probes that can be used to inspect the entire circumference of test objects are:



The depth of penetration is affected by:



The curve shown in Figure FL-3 is called a:



Most surface probe coils are wound so that:



Inductance is caused by:



LPF stands for:



What method of magnetization can be used in flux leakage testing?



Pencil probes are prone to:



Flux leakage inspection can reveal the presence of:



Flux leakage techniques can normally examine for:



The main purpose of an iron core in a probe is to:



When testing for surface flaws, the probe drive frequency used:



When a probe is brought near a conductive but nonmagnetic material, the coil’s inductive reactance will:



HPF stands for:



Which type of probe has a long slender housing to permit inspection in restricted spaces?



Flux leakage inspection can normally be applied to:



Which discontinuity in Figure FL-4 would show the strongest indication?



For a given crack with a given magnetic field, more magnetic lines of force are deflected out of the magnetic path when the:



Probes for inspection of pipe and tubing are typically of the:



Sliding probes are used to test:



When using the liftoff trace of an impedance plane instrument to distinguish between several materials with high electrical conductivity, it is best to test using a:



With rotational flux leakage detection systems, distinctions between similar OD and ID defects are accomplished by:



A Hall effect probe measures:



What is the relationship between electrical conductivity and electrical resistivity?



The HPF allows:



The higher the frequency of the current used to drive the probe, the:



Flux leakage may occur at a surface defect in a ferromagnetic material:



The ratio B/H is equivalent to a material’s:



Using Figure FL-2, what is the vertical component of the leakage flux at the middle of the defect gap of a surface defect?



A probe that is often intended to be used in contact with the test surface is called a:



In the flux leakage testing of tubular products, the amplitude of the signal received from a discontinuity will depend upon:



Sliding probes usually operate in the:



Rotational transverse magnetization in a bar or pipe testing used for the detection of:


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