PT Level 1 :: NDT Mock Test Practice Quiz MCQ’s Part-2

Non-Destructive Testing: Sample Questions for Conduct of Examinations at NDT PT Levels -1

Liquid Penetrant Testing Level -1 (PT-1) General Examination Part-2

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PT Level 1 :: NDT Mock Test Practice Quiz MCQ’s Part-2

1.

The causes of nonrelevant indications are:

 
 
 
 

2.

Which penetrant process is best suited to detect shallow discontinuities?

 
 
 
 

3.

What is a disadvantage of the solvent removable penetrant process?

 
 
 
 

4.

The typical temperature ranges for conducting a liquid penetrant test is:

 
 
 
 

5.

The typical causes for false indications are:

 
 
 
 

6.

Which of the following is normally prohibited as a method of removing excess penetrant when using the solvent removable penetrant process?

 
 
 
 

7.

Which of the following is the proper first step in the removal of excess penetrant when using the solvent removable penetrant process?

 
 
 
 

8.

When performing a fluorescent penetrant examination, excess penetrant is normally removed:

 
 
 
 

9.

The purpose of using a developer is:

 
 
 
 

10.

What is the disadvantage of using the fluorescent penetrant process?

 
 
 
 

11.

Liquid penetrants can be further categorized by the removal method of excess surface penetrant:

 
 
 
 

12.

Which of the following types of penetrants, developers, solvents are used when conducting a liquid penetrant test on a part that is exposed to a liquid oxygen environment.

 
 
 
 

13.

Which of the following developers is applied before the drying operation?

 
 
 
 

14.

The most sensitive type of developer for the detection of fine discontinuities is:

 
 
 
 

15.

Which of the following developers is applied by brush, spraying, or dipping?

 
 
 
 

16.

The advantages of using a visible solvent removable penetrant versus a post emulsified fluorescent penetrant is:

 
 
 
 

17.

Which of the following is a reason to post clean apart after a liquid penetrant test?

 
 
 
 

18.

Which of the following is a function of a developer?

 
 
 
 

19.

The principle on which liquid penetrant testing is based is:

 
 
 
 

20.

What is the minimum time considered necessary for the dark adaptation of the eyes prior to evaluating the results of a fluorescent penetrant test?

 
 
 
 

21.

Liquid penetrants can be classified into the types of dyes they contain:

 
 
 
 

22.

Which penetrant process is best suited to the detection of discontinuities in a test piece having threads and keyways?

 
 
 
 

23.

Cracks, lack of penetration, lack of fusion which is surface breaking on a welded aluminum plate that has been liquid penetrant tested will show as:

 
 
 
 

24.

Which of the following is the most sensitive developer in descending order?

 
 
 
 

25.

Which type of penetrant process affords most control of test sensitivity level?

 
 
 
 

26.

Which penetrant process should be used if repeated examinations are anticipated?

 
 
 
 

27.

The danger of over washing during a water-washable penetrant test is that:

 
 
 
 

28.

During a visible, solvent removable penetrant test, complete penetrant removal is indicated by:

 
 
 
 

29.

Low sulphur and chlorine penetrant materials would be used for testing:

 
 
 
 

30.

Liquid penetrants can be further categorized by the removal method of excess surface penetrant:

 
 
 
 

31.

Which penetrant process is best suited for portable application in the field?

 
 
 
 

32.

Surface breaking porosity will show what type of relevant indications when a welded aluminum plate is tested with the liquid penetrant method:

 
 
 
 

33.

Which type of penetrant process would be best suited to the detection of wide, shallow discontinuities?

 
 
 
 

34.

Which penetrant process is the most sensitive to detect fine discontinuities?

 
 
 
 

35.

Which type of penetrant process is least susceptible to over washing?

 
 
 
 

36.

Which of the following developers is applied by spray only?

 
 
 
 

37.

The following precautions must be observed when removing the excess surface penetrant with a water wash method using a hosepipe:

 
 
 
 

38.

Which of the following developers is applied by immersion or flow only?

 
 
 
 

39.

Which of the following methods is not recommended for pre-cleaning prior to a liquid penetrant test?

 
 
 
 

40.

Penetrants may be applied to the surface of the part by :

 
 
 
 

41.

Which type of developer may be either in suspension or a solution?

 
 
 
 

42.

The typical sequence of conducting a visible solvent removable penetrant is:

 
 
 
 

43.

Which of the following penetrant has a built-in emulsifier?

 
 
 
 

44.

The temperature of water rinse used in the water washable penetrant process should be:

 
 
 
 

45.

Penetrant testing is limited by its inability to test which of the following materials:

 
 
 
 

46.

Which of the following is a function of a developer?

 
 
 
 

47.

Which penetrant process is best suited to high production rates of many small parts?

 
 
 
 

48.

Which of the following metals must be tested with low halogen sulfur-free penetrant materials:

 
 
 
 

49.

The limitation of a liquid penetrant test is:

 
 
 
 

50.

What is the likely result of looking directly into a black light?

 
 
 
 

Question 1 of 50

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