In a normal, healthy eye, the incoming light is focused on the - correct answer retina
The component of the eye that responds to light intensity and
... [Show More] gives the eye its color is the - correct answer iris
If the focal point of the light entering the eye falls in front of the retina, the result is - correct answer myopia (neat-sightedness)
During direct visual inspection, viewing distance shall not be any more than - correct answer 24 in or 610 mm
Which of the following are visual examination methods - correct answer direct and indirect
Visible light is one of the radiation types graphically represented on the - correct answer electromagnetic spectrum
To successfully locate anomalies the inspector must - correct answer use sufficient lighting
Visible light perceived by the eye is in the wavelength range of - correct answer 380-770 nanometers
Visible light travels in a straight line until it is - correct answer reflected, refracted, or diffracted
A photometer used by inspectors - correct answer converts radiant energy of light into measurable electrical signal
A lumen is defined as - correct answer equal to 1 fc falling on 1 ft2 of area
Luminous intensity - correct answer is inversely proportional to the square of the distance from the source
What provides more visible light per unit of electric power consumed - correct answer High-intensity discharge lights
When examining objects of substantial size - correct answer a scanning plan should be formed and followed
When is the surface condition of a part an important factor during visual testing - correct answer Poor surface condition could mask discontinuities
How can glare be reduced during inspection of a part - correct answer Dimming the light source
Environmental factors that affect visual inspection includes - correct answer atmosphere and cleanliness
To improve the detection of visual discontinuities on colored objects - correct answer select the optimal color of lighting to enhance desired characteristics
Battery drain, coated chips, and high light intensities are all considerations when using - correct answer LED sources
When inspecting a reflective surface, glare from the surface - correct answer can be best controlled by the amount, angle, and quality of light provided
Decreasing the angle between the light source and the line of sight is helpful when examining _______ surfaces - correct answer rough
Which of the following would require the most methodical scan pattern - correct answer Complex gear after final grind
Operator performance, when visual testing, is most affected by - correct answer environmental conditions [Show Less]