NDT quiz 1


Quiz - NDT 1

NDT Quiz 1

Q1. In X-ray work, the quality of radiographic film is assessed by the?

a. Density of the film
b. IQI indicator
c. KVA used
d. Stand-off used

Q2- The use of Cobalt isotopes in radiography is restricted to?

a. Material less than 10mm thick
b. Material between 10 and 50 mm thick
c. Materials over 50mm thick
d. Castings only

Q3- The time period during which the penetrant remains on the surface of the part allowing it to
be drawn into any surface discontinuities is called:?

a. Waiting time
b. Penetrating time
c. Soak time
d. Dwell time

Q4- Which of the following discontinuities will not usually be revealed using RT?

a. Crack
b. Incomplete joint penetration
c. Porosity
d. Lamination

Q5- Radiographic testing (RT) can be performed using which of the following?

a.X-ray machine
 b.Iridium 192
c.Cobalt 60
d.all of the above

Q6- Capillary action plays a role in which NDT method?

a. MT
 b. PT
c. UT
d. RT

Q7- As-welded groove welds are usually inspected ultrasonically using what technique?

a. straight beam
 b. shearwave
c. angle beam
d. b and c above

Q8- Which NDT method is considered to be a true volumetric test?

a. RT
 b. UT
c. PT
d. MT

Q9- Which NDT method is most likely to reveal subsurface laminations in a rolled plate?

a. RT
 b. UT
c. ET
d. MT

Q10- What resolution sensitivity is normally required for RT?

a. 2%
 b. 4%
c. 5%
d. 7%