Take Free NDT PT Level 1 Exam Practice Test – Quiz Course

1.

Liquid penetrant testing is based on the principle of:

2.

When a small diameter tube is placed in a glass of water, the water rises in the tube to a level above the adjacent surface. This is called:

3.

How is the size of a liquid penetrant indication usually related to the discontinuity it represents:

4.

A penetrant that is self-emulsifying is called:

5.

A penetrant process that employs an emulsifier as a separate step in the penetrant removal process is called:

6.

A penetrant process in which excess penetrant is removed with an organic solvent is called:

7.

Which of the following statements accurately describes the capabilities of liquid penetrant testing?

8.

Which of the following discontinuity types could typically be found with a liquid penetrant test?

9.

Which of the following chemical elements are normally held to a minimum in liquid penetrant materials, when testing stainless steel and titanium?

10.

Which of the following chemical elements are normally held to a minimum in liquid penetrant materials when testing nickel-based alloys?

11.

Which of the following is the most desirable method of pre-cleaning a test piece prior to penetrant testing?

12.

Which of the following pre-cleaning processes is not recommended?

13.

A wire brush should be used for pre-cleaning:

14.

A hydrometer is used to measure:

15.

Visible, solvent removable penetrants are most advantageous for:

16.

For adequate test results, the black light used in the fluorescent penetrant examination should provide what minimum black light intensity at the test surface?

17.

What minimum warm-up time is required for acceptable performance of a mercury Vapour arc black light?

18.

Which of the following penetrants contains an emulsifying agent?

19.

Which of the following penetrants must be treated with an emulsifier prior to water removal?

20.

What is the function of an emulsifier?

21.

An oil-based emulsifier is called:

22.

A water-based emulsifier is called:

23.

Methylene chloride, isopropyl, alcohol, naptha, and mineral spirits are examples of:

24.

What type of solvent removers may be used with a solvent removable penetrant?

25.

Which of the following is a prerequisite for a penetrant test?

26.

Which of the following types of pre-cleaning processes may be used for liquid penetrant testing?

27.

What is the likely result of incomplete removal of all excess penetrant from the test piece surface?

28.

What is the preferred pre-cleaning process for the removal of oil and grease :

29.

Which pre-cleaning method may be used with either a solvent or a detergent solution?

30.

What is the danger associated with using a wire brush during pre-cleaning?

31.

What is the preferred method of removing paint prior to performing penetrant testing?

32.

What additional surface preparation or cleaning must be performed on a machined or ground aluminum casting prior to penetrant testing?

33.

Acceptable methods of penetrant application are:

34.

The time period during which penetrant remains on the surface of the test piece is called:

35.

Excess penetrant removal is a two-step process with which of the following penetrant methods?

36.

A developer aids penetrant bleed out because of:

37.

In the solvent removable penetrant process, excess penetrant is removed with:

38.

The water-based wet developer is applied:

39.

The non-aqueous wet developer is applied:

40.

The dry developer is applied:

41.

Typical ranges of emulsifier dwell times are:

42.

Actual emulsification times are determined by:

43.

The color of fluorescent penetrant under the presence of a UV light is:

44.

What action is necessary if the penetrant is inadvertently allowed to dry on the test piece?

45.

What maximum water rinse pressure is considered safe for the removal of excess penetrant in the water washable penetrant process?

46.

During the water rinse step of the water washable penetrant process, what is the desired angle of the spray to the surface?

47.

Which type of emulsifier is designed to be used as a ‘scrubber’?

48.

Post cleaning is especially important when:

49.

When using a hydrophilic emulsifier, the amount of penetrant removed is most affected by:

50.

If a mercury vapour arc black light is inadvertently turned off, how soon may it be restarted?

51.

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

52.

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

53.

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

54.

Which of the following is a function of a developer?

55.

Which of the following is a function of a developer?

56.

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

57.

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

58.

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

59.

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

60.

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

61.

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

62.

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

63.

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

64.

Which penetrant process is best suited to detect shallow discontinuities?

65.

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

66.

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

67.

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

68.

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

69.

What is the disadvantage of using the fluorescent penetrant process?

70.

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

71.

Which of the following developers is applied by spray only?

72.

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

73.

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

74.

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

75.

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

76.

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

77.

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

78.

What is a disadvantage of the solvent removable penetrant process?

79.

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

80.

1.1.2 Liquid Penetrant Testing Level 1 (PT-1) Specific Examination
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.

81.

The causes of nonrelevant indications are:

82.

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

83.

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

84.

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

85.

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

86.

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

87.

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:

88.

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

89.

The purpose of using a developer is:

90.

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

91.

The principle on which liquid penetrant testing is based is:

92.

The limitation of a liquid penetrant test is:

93.

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

94.

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

95.

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

96.

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

97.

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

98.

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

99.

The typical causes for false indications are:

100.

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

101.

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

102.

Match the type of penetrant to the list of advantages and disadvantages as listed below:

Advantages:

• Portable
• No UV light needed
• Suited for spot checks
• Good sensitivity

Disadvantages:

• Penetrant removal is time-consuming
• Difficult to remove from rough surfaces
• Materials are flammable
• Cannot be used in open tanks

103.

How will the excess surface penetrant be removed if a post emulsified penetrant was used?

104.

The six basic steps on how to conduct a typical liquid penetrant test is: