Take A Free ASNT NDT VT Level 3 Exam Practice Test – Quiz Course

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Here you can take a free ASNT NDT VT Level 3 Exam Practice with the Latest Visual and Optical Testing Method Level III Questions and Answers

1.

The restriction on the angle between the eye and the test surface for general visual testing should be:

 
 
 
 

2.

According to the Illuminating Engineering Society, the minimum light required for critical work should be:

 
 
 
 

3.

The illumination at a point on a surface in relation to the luminous intensity of the source and the distance between the source and the point varies directly with the intensity and:

 
 
 
 

4.

The term used for dark adaptation vision using only the rods in the retina when differences in brightness can be detected but differences in the hue cannot is called:

 
 
 
 

5.

The measurement of radiant energy in the visible spectrum, based on a standard observer response, is called:

 
 
 
 

6.

The simultaneous comparison of a standard lamp and an unknown light source is called:

 
 
 
 

7.

The light from common sources, particularly light from incandescent lamps, is often compared with light from a theoretical source. This theoretical source is called a:

 
 
 
 

8.

The principal biological effect of infrared radiation is:

 
 
 
 

9.

The intensity of fluorescence in relation to the intensity of the ultraviolet radiation that excites it is:

 
 
 
 

10.

A device that uses synchronized pulses of high-intensity light to permit viewing of objects moving with a rapid periodic motion is called:

 
 
 
 

11.

Luminous energy tests are primarily for testing exposed or accessible surfaces of opaque test objects and for:

 
 
 
 

12.

The function of daylight vision for color and detail is performed by the:

 
 
 
 

13.

The element of light related to the characteristics of tone, purity, and brightness are called:

 
 
 
 

14.

The brightness of a diffusely reflecting colored surface depends on the quantity of incident light and

 
 
 
 

15.

Variable(s) other than lighting and target size that affect visual acuity include:

 
 
 
 

16.

The ability of the eye and brain to work together to discriminate patterns from the background is called:

 
 
 
 

17.

In visual testing, using borescopes with a narrow field of view produces:

 
 
 
 

18.

In visual testing, using borescopes with a wide field of view:

 
 
 
 

19.

A laboratory microscope equipped with a top or vertical illumination to permit viewing of opaque materials is called:

 
 
 
 

20.

Magnification of a borescope optical system depends on the:

 
 
 
 

21.

When performing the catching process, surface finish requirements are determined by the:

 
 
 
 

22.

Pipe crawlers are not considered to be robotic systems because they:

 
 
 
 

23.

High-speed film requires:

 
 
 
 

24.

Camera systems used in a remote internal video test of pipe are available for black and white or color viewing. In comparison, black-and-white systems:

 
 
 
 

25.

In planning for visual testing, a particular frequency or sequence of sample selection is prescribed, such as the selection of every fifth unit starting with the fifth unit. This system is referred to as:

 
 
 
 

26.

Discontinuities associated with welds may be classified as:

 
 
 
 

27.

Documents having a significant influence on public health and safety are sometimes accepted by legislative bodies or Federal regulatory agencies. In those jurisdictions, such documents become law and are referred to as:

 
 
 
 

28.

When particles in a fluid or other carrier slide and roll at a relatively high velocity against a surface, it is called:

 
 
 
 

29.

When high-temperature alloys cannot tolerate contact with liquid metal because high temperatures cause the precipitation of chromium carbide in the grain boundaries, the condition is called:

 
 
 
 

30.

The surface roughness of cold rolled steel determines:

 
 
 
 

31.

A condition that is caused by unintentional rapid heating of the base metal or weld metal and subsequent rapid cooling of the molten material, which results in extremely high heat input and causes localized hardness and cracking, is called:

 
 
 
 

32.

During the visual inspection of the impeller vanes, it was noted that the vanes are exhibiting abnormal wear and are porous. This condition is most likely due to:

 
 
 
 

33.

In a gate valve, the most likely place for erosion and wear are:

 
 
 
 

34.

Corrosion of a metal caused by the concentration of dissolved salts, metal ions, oxygen, or other gasses, which occurs in pockets remote from the principal fluid stream with a resulting build-up of differential cells that ultimately cause deep pitting, is called:

 
 
 
 

35.

Folds of metal forced into the surface of the component during forging, which can vary from a tight straight linear discontinuity to a wide U-shaped indication, are called:

 
 
 
 

36.

During the visual inspection of castings, chills, and chaplets appear as:

 
 
 
 

37.

Magnification of a single lens (in inches) is determined by:

 
 
 
 

38.

The accuracy of distance measurements from photogrammetry is related to:

 
 
 

39.

Visual testing of low-stress applications, such as the sheets of composite material bonded to a honeycomb core may reveal:

 
 
 
 

40.

To determine the maximum percent defect that for the purpose of the sampling test can be considered satisfactory as a process average, using the:

 
 
 
 

41.

When the point of focus is beyond the plane of the retina, this condition is called:

 
 
 
 

42.

To determine the maximum percent defective for the tolerance of an outgoing lot of parts, use:

 
 
 
 

43.

Compact arc sources, metal vapor, and florescent lamps are sources of:

 
 
 
 

44.

When a flexible fiber optic is bent at an angle greater than approximately 45 degrees, the image produced:

 
 
 
 

45.

Erosive wear is caused by:

 
 
 
 

46.

Visible light is defined as that portion of the electromagnetic spectrum with wavelengths between:

 
 
 
 

47.

Most color deficiencies are hereditary and occur in:

 
 
 
 

48.

Color deficiencies can be hereditary and/or acquired. Acquired color deficiencies can include:

 
 
 
 

49.

To form reliable images, the lens of the eye focuses light rays onto the:

 
 
 
 

50.

The condition when the point of focus is short of the retina is called:

 
 
 
 

51.

When a primary color is mistaken for another primary color, this is an error in:

 
 
 
 

52.

Exposure to high-frequency visible light at intensities and durations that may damage the retina, and docs do not elevate retinal temperatures enough to cause thermal hazard is called:

 
 
 
 

53.

The temperature at which a blackbody must be operated so that its output is the closest approximation to a perfect color match with the output of the selective radiator is called:

 
 
 
 

54.

The instrument used to measure the radiation power of specified frequencies is called a:

 
 
 
 

55.

The angle of vision and the distance of the eye from the test surface determine the minimum angular separation of two points resolvable by the eye. This is known as the eyes:

 
 
 
 

56.

A tool that uses the wavelength of light as a unit to measure the surface contour is called:

 
 
 
 

57.

The principle of solid-state image devices is based on:

 
 
 

58.

The ratio between stress and strain in a material deformed within its elastic range is called:

 
 
 
 

59.

When a metal is at an elevated temperature, the:

 
 
 
 

60.

Erosive wear of materials can be recognized by:

 
 
 
 

61.

A form of pitting caused by vibration and movement in a liquid environment is called:

 
 
 
 

62.

A type of corrosion caused by the electrochemical differences between contacting metals or a metal and its environment is called:

 
 
 
 

63.

The depletion of chromium from the grain boundaries of metals due to the rapid combination of carbon with chromium is called:

 
 
 
 

64.

Gradual and permanent change of shape in a metal under constant load, usually at elevated temperature is called:

 
 
 
 

65.

In the steel industry, the term “surface measurement” covers:

 
 
 
 

66.

For concave fillet welds, the size of the weld as compared to the leg of the weld is:

 
 
 
 

67.

In convex fillet welds, the shortest distance from the root of the weld to the face of the weld is called:

 
 
 
 

68.

A typical location for fastener failures is:

 
 
 
 

69.

Machine vision technology is used in the automobile industry to:

 
 
 
 

70.

The gage used in the visual testing of threads in oil country tubular goods is called:

 
 
 
 

71.

One of the main principles of visual and optical testing is described by:

 
 
 
 

72.

When documenting the results of a visual examination, reducing the aperture opening on a photographic lens results in:

 
 
 
 

73.

Several factors can reduce the image contrast of a display (cathode ray tube). A source of this interference could be:

 
 
 
 

74.

When visual inspection of finished weldments is required, the inspector should:

 
 
 
 

75.

When visually accepting a finished weld, the following factor(s) should be considered:

 
 
 
 
 

76.

An indication of a crater crack at the start-stop of a weld was observed. This condition:

 
 
 
 

77.

The actual size of a groove weld is:

 
 
 
 

78.

The visual inspector evaluating the welding process should consider the following factor(s):

 
 
 
 

79.

Visual surface condition for the final acceptance of weldments:

 
 
 
 

80.

A material that emits light when excited by illuminated areas of a test object is said to be:

 
 
 
 

81.

Two aspects of a display (cathode ray tube) that are most important to visual interpretation are:

 
 
 
 

82.

A type of corrosion that occurs under fasteners such as bolted or riveted joints if moisture can penetrate and remain is called:

 
 
 
 

83.

A type of wear caused by the high-pressure impact that lifts large fragments from a metal surface is called:

 
 
 
 

84.

A type of wear that frequently occurs in stationary joints that are fixed from shrinking or pressing by interference fits or bolts, pins, rivets, or other mechanisms and also at various contact points in antifriction or rolling elements known as:

 
 
 
 

85.

Devices such as phototubes or multiplier phototubes that emit electrons under the influence of light are called:

 
 
 
 

86.

During visual fillet weld examination, the inspector would use:

 
 
 
 

87.

Many video probe systems use a CCD to collect the light image at the inspection site. CCD stands for:

 
 
 
 

88.

A groove melted in the base metal at the toe of the weld during the welding process is called:

 
 
 
 

89.

A borescope transmits the light image collected at the inspection site:

 
 
 
 

90.

Seams and laps are longitudinal base metal discontinuities found in:

 
 
 
 

91.

Forged products display two major types of discontinuities:

 
 
 
 

92.

Which of the following welding methods uses a gas-shielded continuous consumable electrode?

 
 
 
 

93.

Which of the following welding methods could produce a tungsten inclusion discontinuity?

 
 
 
 

94.

A groove weld symbol located on top of the reference line of the welding symbol indicates that the weld is to be located on:

 
 
 
 

95.

The graduations etched on the thimble of a micrometer arc in:

 
 
 
 

96.

In a normal, healthy eye the incoming light is focused on the:

 
 
 
 

97.

When examining objects of substantial size:

 
 
 
 

98.

The component of the eye that responds to light intensity and gives the eye its color is the:

 
 
 
 

99.

The result of gasses becoming trapped in molten metal during freezing is called:

 
 
 
 

100.

The element of the welding symbol where specifications or other reference items may be placed is called the:

 
 
 
 

101.

Incomplete penetration occurs at the:

 
 
 
 

102.

The best equipment to use to measure the inside diameter of a pipe or tube would be a:

 
 
 
 

103.

A joint that is considered to be two members to be joined lying in parallel on the same plane is called a:

 
 
 
 

104.

Laminations would most likely occur in:

 
 
 
 

105.

The main difference between a borescope and a fiberscope is that:

 
 
 
 

106.

If there is a substantial thickness transition in casting, the result may be:

 
 
 
 

107.

Porosity, pipe, and other inclusions remaining in the original ingot after cropping may be modified after rolling into the plate form. If this type of discontinuity is not fused together during rolling, it becomes:

 
 
 
 

108.

Shielding gas used in the GTAW welding process is used to:

 
 
 
 

109.

To provide color to the light used with the video probe which of the following could be used:

 
 
 
 

110.

Forged products are manufactured using:

 
 
 
 

Question 1 of 110

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