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PT L1 > Level 1 PART 1 > Flashcards

Level 1 PART 1 Flashcards

PT

1
Q
  1. Which one of the following conditions will affect the rate and the extent a liquid penetrant will enter cracks, Fissures, and other small openings?

a. The hardness of the specimen being tested
b. The sur face condition of the specimen being tested
c. The color of the penetrant

d. The conductivity of the specimen being tested

A

b. The sur face condition of the specimen being tested

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2
Q
  1. Which of the following is a commonly used classification for penetrant?

a. Post-emulsifiable penetrant
b. nonferrous penetrant
c. Chemical etch penetrant
d. nonaqueous penetrant

A

a. Post-emulsifiable penetrant

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3
Q
  1. A generally accepted method for removing excess non water-wash able penetrant is:

a. repeatedly dip ping the test specimen in a cleaner.
b. soaking the test specimen in hot detergent water.
c. blow-ing the excess penetrant off the surface of the part with compressed air.
d. wiping and cautiously cleaning the test specimen earth a cleaner-dampened cloth.

A

d. wiping and cautiously cleaning the test specimen earth a cleaner-dampened cloth.

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4
Q
  1. Witch of the following parts could not be tested by the liquid penetrant method?

A. An iron casting
B. An aluminum forging
C. A part made from a porous material
D. A part made from a non porous material

A

C. A part made from a porous material

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5
Q
  1. which of the following discontinuities can be found by the penetrant test method?

a. A surface crack
b. A subsurface crack
C. An internal inclusion
D. done of the above

A

a. A surface crack

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6
Q
  1. Which of the following is generally the more acceptable method for cleaning parts prior to penetrant testing?

A. Sand blasting
B. Wire brushing
C. Grinding
D. Vapor degreasing

A

D. Vapor degreasing

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7
Q
  1. which of the following is not a generally accepted method for cleaning parts prior to penetrant testing?

A. Vapor degreasing
B. Liquid solvent
C. Wire brushing
D. Alkaline cleaner

A

C. Wire brushing

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8
Q
  1. Cutting oils may be effectively removed from parts before penetrant testing by:

a. Pre-heating
b. Vapor degreasing ’
C. washing with water.
D. All the above.

A

b. Vapor degreasing ’

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9
Q
  1. The most common type of contaminant in fluorescent penetrant fluid is:

A. metal filings.
B. on.
C. detergents {from cleaning).
D. water.

A

D. water.

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10
Q
  1. Black light with a proper functioning filter in place used for fluorescent penetrant inspection can cause permanent damage to:

A. human tissues.
B. human eyes.
C. human blood cells.
d. none of the above.

A

d. none of the above.

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11
Q

11.Which of the Following is not a basic inspection principle that applies to all penetrant methods?

a. Th e penetrant must enter the discontinuity in order to form an indication.
b . Indications glow when illuminated with a black light.
c. a Longer penetration time is required for smaller discontinuities.
D. If the penetrant is washed out of the discontinuity, an indication will not be formed by that discontinuity.

A

b . Indications glow when illuminated with a black light.

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12
Q
  1. Subsurface Discontinuities can be best detected by:

a. the Post-emulsification penetrant method.
B. the visible die penetrant method.
C. the fluorescent, water washable penetrant method.
D. none of the above will detect subsurface discontinuities.

A

D. none of the above will detect subsurface discontinuities.

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13
Q
  1. Visible penetrant may be applied by .

A. brushing.
B. spraying.
C. Dipping
D. all of the above.

A

D. all of the above.

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14
Q
  1. The first step in conducting a liquid penetrant test on a sur face that has been painted is to:

A. carefully apply the penetrant over the surface.
B. completely remove the paint.
C. thoroughly Wash the surface with a detergent.
D. Wire brush the surface to roughen the smooth surface coating of paint.

A

b. completely remove the paint.

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15
Q
  1. when using a Post-emulsification penetrant is it necessary to apply the emulsifier:

a. before applying the penetrant.
B. after the water wash operation.
C. after the dwell time has elapsed.
D. after the development time has elapsed.

A

C. after the dwell time has elapsed.

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16
Q
  1. when conducting a water-washable liquid penetrant test, the wet developer is applied:

a. immediately after the penetrant has been applied.
b. immediately before the penetrant is applied.
C. after removal of the penetrant
D. after removal of the emulsifier.

A

C. after removal of the penetrant

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17
Q
  1. The term used to describe the action of a particular developer in soaking up the penetrant in a discontinuity, so as to cause the maximum bleed out of the liquid penetrant for increased contrast and sensitivity, is known as:

A. blotting.
B. capillary action.
C. concentration.
D. attraction.

A

A. blotting.

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18
Q
  1. A black light lamp should not be used with a cracked filter or without the filter in place because of the harmful effects to the human eyes caused by the lamp’s emission of:

A. black light.
В.ultraviolet light.
C. infrared light.
D. none of the above.

A

В.ultraviolet light.

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19
Q
  1. The term used to define the period of time in which the test part is covered with penetrant is:

A. waiting time.
B. soak time (drain time).
C. penetration time (dwell time).
D. bleed in time.

A

C. penetration time (dwell time).

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20
Q
  1. Usually, the most desirable method of removing excess water washable penetrant after the dwell time is by:

A. A low pressure coarse water spray.
В. water and brush.
C A solid stream of water.
D. water and clean rags.

A

A. A low pressure coarse water spray.

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21
Q
  1. When conducting a liquid penetrant test using a post-emulsifiable visible dye penetrant, the generally accepted method for applying the wet developer is by:

A. brushing.
B. swabbing.
C. dipping.
D. spraying.

A

D. spraying.

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22
Q
  1. Which of the following is not a characteristic that applies to liquid penetrant testing?

A. This method can accurately measure the depth of a crack or discontinuity.
B. This method can be used for on-site testing of large parts.
C. This method can be used to find shallow surface discontinuities.
D. This method can be made more or less sensitive by using different penetrant materials

A

A. This method can accurately measure the depth of a crack or discontinuity.

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23
Q
  1. Which of the following discontinuities is most likely to be missed due to improper rinse techniques?

A. Forging lap.
B. Deep pitting
C. Shallow and broad discontinuities
D. The rinse technique will not affect the detection of discontinuities.

A

C. Shallow and broad discontinuities

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24
Q
  1. When conducting a fluorescent penetrant test, a commonly used technique for assuring that the excess penetrant has been removed prior to the application of a developer is to:

A. blow compressed air over the surface.
B. chemically etch the surface.
C. blot the surface with absorbent paper.
D. scan the surface with a black light.

A

D. scan the surface with a black light.

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25
Q
  1. Which of the following surface conditions could have a detrimental effect on a liquid penetrant test?

A. A wet surface
B. A rough weld
C. An oily surface
D. All of the above could have a detrimental effect.

A

D. All of the above could have a detrimental effect.

26
Q
  1. Liquid penetrant testing is capable of detecting:

A intergranular discontinuities.
B. discontinuities open to the surface.
C. subsurface discontinuities.
D. all of the above.

A

B. discontinuities open to the surface.

27
Q
  1. Black light equipment is required when penetrant testing by the:

A. fluorescent penetrant method.
B. visible dye penetrant method.
C. non-fluorescent penetrant method.
D. all of the above.

A

A. fluorescent penetrant method.

28
Q
  1. The term used to define the tendency of certain liquids to penetrate into small openings such as cracks or
    fissures is:

А. saturation.
B. capillary action.
C. blotting.
D. wetting agent.

A

B. capillary action.

29
Q
  1. Excess penetrant (all penetrant except that which is in discontinuities) is removed from the specimen:

A. after the required penetrant dwell time has elapsed.
B. before the application of an emulsifier if post-emulsifier penetrant is used.
C. by means of a steam cleaner.
D. only when water washable penetrants are used.

A

A. after the required penetrant dwell time has elapsed.

30
Q
  1. when using a post-emulsifiable penetrant, the emulsifier time should be:

A. as long as the penetrant dwell time.
B. one-half the penetrant dwell time.
C. the same as the developer time.
D. only as long as necessary to effect removal of interfering background.

A

D. only as long as necessary to effect removal of interfering background.

31
Q
  1. When an inspector is working in a darkened area, he should become adjusted to the dark before inspecting.
    The generally accepted time period for becoming accustomed to the dark is:

A. one minute.
B. five To Ten minutes
C. ten to fifteen minutes.
D. No waiting period is necessary

A

B. five To Ten minutes

32
Q
  1. When applying penetrant by dipping. heating the penetrant prior to dipping:

A. will increase the sensitivity of the test.
B. will increase the capillary action of the penetrant.
C. will increase the stability of the penetrant.
D. is not generally recommended.

A

D. is not generally recommended.

33
Q
  1. A penetrant inspection cannot find:

A. surface porosity.
B. surface cracks.
C. an internal cavity.
D. a surface forging lap.

A

C an internal cavity.

34
Q
  1. Which of the following materials cannot be tested by the usual liquid penetrant Tests?

A. Unglazed porous ceramic
В.Titanium
C. High alloy steel
D. Cast iron

A

A. Unglazed porous ceramic

35
Q
  1. Liquid penetrant Testing can be used to detect:

A. discontinuities 1:16” below the surface.
B. internal discontinuities.
C. discontinuities open to the surface.
D. all discontinuities.

A

C. discontinuities open to the surface.

36
Q
  1. Which of the following are commonly accepted methods for applying penetrant?

A. Dipping the part in penetrant (dipping)
В.Pouring the penetrant over the lest specimen (flowing)
C. Spraying the penetrant on the test specimen (spraying)
D. All of the above

A

D. All of the above

37
Q
  1. Which of the following is not a requirement for a cleaning solvent used To clean the surface of a test specimen prior to penetrant testing?

А.The cleaner must be capable of dissolving oils and greases commonly found on the surface.
B. The cleaner must not be flammable.
C. The cleaner must be free of contaminants.
D. The cleaner must leave a minimal residue on the surface.

A

B. The cleaner must not be flammable.

38
Q
  1. Which of the statements below best states the danger of sandblasting (without subsequent chemical etching) for cleaning surfaces to be penetrant tested?

A. The discontinuities may be peened over and closed.
B. Oil contaminants might be sealed in the discontinuities.
C. The sand used in the sandblasting operation may be forced into the discontinuity.
D. The sandblasting operation may introduce discontinuities.

A

A. The discontinuities may be peened over and closed.

39
Q
  1. The penetrant applied to the surface of a test specimen:

A. seeps into discontinuities.
B. is absorbed by discontinuities.
C. is drawn into discontinuities by capillary action.
D. is drawn into discontinuities by gravity.

A

C. is drawn into discontinuities by capillary action.

40
Q
  1. Which of the following statements concerning liquid penetrant testing is correct?

A. Fluorescent penetrants will produce red against white discontinuity indications.
B. Non fluorescent penetrants require the use of black lights.
C. Fluorescent indications will be seen when exposed to black light.
D. Non-Fluorescent discontinuities glow in the dark for easy viewing and interpretation.

A

C. Fluorescent indications will be seen when exposed to black light.

41
Q
  1. When removing excess penetrant from the surface of a test specimen:

A. the penetrant removal operation must not remove the penetrant from discontinuities.
B. sufficient excess penetrant must be removed to eliminate an interfering background.
C. the use of a solvent dampened cloth is a common method of penetrant removal.
D. all of the above.

A

D. all of the above.

42
Q
  1. The most widely accepted method for removing excessive water-washable penetrant from the surface of a lest specimen is:

A. by means of a wet rag.
B. by means of a water spray rinse.
C. by washing the part directly under water running from a tap.
D. by immersing the part in water.

A

B. by means of a water spray rinse.

43
Q
  1. The inspection of a lest specimen for discontinuities should take place:

A. immediately after the developer has been applied.
B. Anytime after the developer has been applied.
C. after the developer has been on the test specimen for the proper development time.
D. immediately after the rinse operation.

A

C. after the developer has been on the test specimen for the proper development time.

44
Q
  1. Which of the following is an advantage of visible dye penetrants over fluorescent penetrants?

A. Visible dye penetrants do not require black light.
B. Visible dye penetrants are more sensitive than fluorescent penetrants.
C. Visible dye penetrants are superior in penetrating characteristics.
D. Visible dye penetrants are not toxic while fluorescent penetrants are toxic.

A

A. Visible dye penetrants do not require black light.

45
Q
  1. The terms “dry,” “aqueous wet,” and “nonaqueous wet” are used to describe three different types of:
    A. emulsifiers.
    B. cleaners.
    C. developers.
    D. penetrants.
A

C. developers.

46
Q
  1. Wrich of the following is a true statement concerning the application of a standard temperature penetrant to a test specimen while the specimen is hot?

A. The penetrant is likely to become entrapped in the specimen as it cools.
В. The test will be less sensitive than when the penetrant is applied on a cool specimen.
C. There is no difference in applying penetrant to a heated specimen and a cool specimen.
D. The penetrant may be heated to the point where some of the penetrant’s constituents are driven off. causing volatile fumes and leaving a residue on the surface.

A

D. The penetrant may be heated to the point where some of the penetrant’s constituents are driven off. causing volatile fumes and leaving a residue on the surface.

47
Q
  1. witch of the following is not a generally accepted method for applying penetrants?

A. Rubbing the penetrant over the surface
B. Brushing the penetrant on the part
C. Spraying the penetrant on the part
D. Dipping the part in the penetrant

A

A. Rubbing the penetrant over the surface

48
Q
  1. Which of the following is the most commonly used method for removing non-water washable visible dye penetrant from the surface of a test specimen?

A. Dipping in a solvent
B. Spraying
C. Hand wiping
D. Blowing

A

C. Hand wiping

49
Q
  1. Which of the following is an acceptable method for applying wet developers?

A. Application with a soft brush
b. Application with a hand powder bulb
C. Rubbing with a saturated cloth
D. Spraying or dipping

A

D. Spraying or dipping

50
Q
  1. When using solvent removable penetrants, the excess penetrant may be removed by:

A. dipping the part in solvent.
B. spraying the part with water and a solvent.
C. Rubbing the part with a wet rag.
D. Wiping the part with a rag or cloth that has been dampened with solvent.

A

D. Wiping the part with a rag or cloth that has been dampened with solvent.

51
Q
  1. When conducting a penetrant test, which of the following health precautions is not applicable?

A. Keep the work area clean.
B. Wash any penetrant from skin with soap and water as soon as possible.
C. Keep penetrant off clothes.
D. Wash any excess penetrant from skin using gasoline.

A

D. Wash any excess penetrant from skin using gasoline.

52
Q
  1. Which of the following surface contaminants cannot be removed by cleaning parts in a vapor degreaser?

A. Grease
B. Rust
C. Heavy oil
D. Soluble oil

A

B. Rust

53
Q
  1. Before conducting a liquid penetrant test, it is important to ensure the surface of the part is free of:

A. oil or grease.
B. acids or chromates.
C. traces of rater.
D. all of the above.

A

D. all of the above.

54
Q
  1. When performing a penetrant test using a post-emulsification penetrant which of the following is the most critical with respect to proper timing?

A. Dwell time
B. Developing time
C. Emulsification time
D. Drying time

A

C. Emulsification time

55
Q
  1. Which of the following is the most likely result of an excessive emulsification time when penetrant testing with post-emulsification penetrants?

A. A large number of non-relevant indications could appear on the part.
B. Shallow discontinuity indications could be lost.
C. Excess penetrant could remain after the wash operation.
D. The emulsifier could harden, preventing the developer from blotting the penetrant in discontinuities.

A

B. Shallow discontinuity indications could be lost.

56
Q
  1. Which of the following is not a function of developers used in penetrant testing?

A. To blot penetrant from discontinuities
B. To aid in providing an image of a discontinuity
C. to add fluorescence to penetrants
D. To help control bleed out

A

C. to add fluorescence to penetrants

57
Q
  1. Which of the following is the primary limitation of liquid penetrant testing?

A. Penetrant testing cannot be used on ferromagnetic material.
B. Penetrant testing cannot locate shallow surface discontinuities.
C. Penetrant testing cannot be used on non metallic surfaces.
D. Penetrant testing cannot locate subsurface discontinuities.

A

D. Penetrant testing cannot locate subsurface discontinuities.

58
Q
  1. In penetrant testing, the time period from developer application to inspections is often referred to as:

A. emulsification time.
B. development time.
C. dwell time.
D. none of the above.

A

B. development time.

59
Q
  1. Liquid penetrant testing is a nondestructive test which can be used for:

A. locating and evaluating all types of discontinuities in a test specimen.
B. locating and determining the length, width, and depth of discontinuities in a test specimen.
C. determining the tensile strength of a test specimen.
D. locating discontinuities open to the surface.

A

D. locating discontinuities open to the surface.

60
Q
  1. When conducting a penetrant test using fluorescent penetrant, black light equipment is required to:

А. cause the penetrant to fluoresce.
В. aid the normal capillary action characteristics of a penetrant.
С. neutralize excess penetrant on the surface.
D. decrease the surface tension of the part.

A

А. cause the penetrant to fluoresce.

PT L1 (5 decks)

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