ASNT LEVEL III Basic Questions and Answers

1) Diamagnetic materials have a permeability _________.

2) Which NDT methods should be used for controlling the thicker plate of an alloyed steel in order to check the presence of Laminations?

3) In order for a candidate to be certified as an NDT Level III accordance CP-189. Which of the following is correct?

4) The term used to indicate pressure above the zero value corresponding to a perfect vacuum is

5) Materials that change shape with temperature, change dimension with application of an electrical impulse, or respond to strain by producing a magnetic field are called:

6) Electro-polishing increases the average smoothness of a given surface by:

7) May an employer deviates from the guidelines given in SNT-TC 1A to meet his specific needs?

8) Hollow Product can be produced using:

9) Phenol Formaldehyde, known as Bakelite is a:

10) During machining, some material adhering to the tip temporarily, then escaping both over and under the tool tip. This leads to fluctuating forces, which may cause machining vibrations referred to as:

11) SNT-TC-I A recommends that in certification of Level III personnel the employer:

12) According to SNT-TC-IA, the employer can consider an individual to be qualified to Level III, but only if he/she:

13) When only a small number of pieces need to be manufactured, __________ is generally a cost-effective option.

14) Passing grade for employer administered certification examination as per CP 189 is:

15) Localized corrosion attacks or targets one area of the material and their types are:

16) High-speed steel (HSS) tool steel maintains cutting hardness and strength to approximately what temperature?

17) A break in the magnetic uniformity of a part that is called a magnetic discontinuity is related to a sudden change in

18) AE Sensors are operated in

19) As per CP-189, to consider for certification as Level III the recommended experience periods are different:

20) Progressive solidification in casting means:

21) The term ________ is used to refer to the relatively finely spaced surface irregularities, the height, width, and direction of which establish the predominant surface pattern.

22) Casting Shrinkage Occurs in Three Stages as-Shrinkage in the Liquid, Solidification Shrinkage and _________

23) Cores are designed to _________ after the molten material solidifies.

24) Pure iron melts at a temperature of

25) In accordance with SNT-TC-1A, Level I and Level II written specific examination should include question with cover: