GC 3460 TEST 2 QUESTIONS AND ANSWERS
Spectral reflectance data can be used to calculate dot gain and density as well as
CIELAB values - Answers :True
A print contrast of 45% is better than 25% - Answers :True
Optical dot gain is affected by smoothness of the sheet - Answers :True
Hue error is the measure of the greatest unwanted absorption by a process color -
Answers :True
For color measurement, a black backing material is appropriate for sheets printed on
both sides, while a white backing material is appropriate for sheets printed on one side -
Answers :True
Chromatic adaptation refers to how our brains seek a reference color (usually white or
neutral) to interpret other colors - Answers :True
Light source x observer function x object spectra = XYZ tristimulus values, which are the
basis for CIELAB calculations - Answers :True
The Herring Opponent Theory of color vision correlates to the CIELAB color model -
Answers :True
Density measures how much ink is on the sheet - Answers :False
In discriminating between colors, people see differences in lightness, chroma, and hue
angle equally - Answers :False
Print contrast is a useful metric for optimizing which of the following print issues? -
Answers :The amount of ink that should be used for a substrate
Sometimes two objects with different spectral curves appear to be the same color under
one light source but don't match under another. This effect is called - Answers
:Metamerism
Which of the following is the standard light source in light booths for color matching in
the print industry (specifically in North America)? - Answers :D50
Which of the following measure conditions used D50 lighting in spectral measurements?
- Answers :M1
Which of the following density measurements (not which colors would you measure on
the press sheet, but which densities reported on the densitometer) would you use to
Spectral reflectance data can be used to calculate dot gain and density as well as
CIELAB values - Answers :True
A print contrast of 45% is better than 25% - Answers :True
Optical dot gain is affected by smoothness of the sheet - Answers :True
Hue error is the measure of the greatest unwanted absorption by a process color -
Answers :True
For color measurement, a black backing material is appropriate for sheets printed on
both sides, while a white backing material is appropriate for sheets printed on one side -
Answers :True
Chromatic adaptation refers to how our brains seek a reference color (usually white or
neutral) to interpret other colors - Answers :True
Light source x observer function x object spectra = XYZ tristimulus values, which are the
basis for CIELAB calculations - Answers :True
The Herring Opponent Theory of color vision correlates to the CIELAB color model -
Answers :True
Density measures how much ink is on the sheet - Answers :False
In discriminating between colors, people see differences in lightness, chroma, and hue
angle equally - Answers :False
Print contrast is a useful metric for optimizing which of the following print issues? -
Answers :The amount of ink that should be used for a substrate
Sometimes two objects with different spectral curves appear to be the same color under
one light source but don't match under another. This effect is called - Answers
:Metamerism
Which of the following is the standard light source in light booths for color matching in
the print industry (specifically in North America)? - Answers :D50
Which of the following measure conditions used D50 lighting in spectral measurements?
- Answers :M1
Which of the following density measurements (not which colors would you measure on
the press sheet, but which densities reported on the densitometer) would you use to
