GC 3460 FINAL SPRING 24 QUESTIONS & ANSWERS
Which attribute of color is represented below?
(Color intensity increases in 5 samples of red) - Answers :Chroma
For Lab and LCH color, an L* value of ________ represents Black and an L* value of
_______ represents White. - Answers :0 is black, 100 is white
In discriminating between colors, everyone sees the same differences in lightness, in
chroma and in hue angle. - Answers :True
What is the term used when calculating the numerical difference between two colors. -
Answers :Delta E
Assuming everything else is equal, a higher LPI will result in a lower TVI (dot gain). -
Answers :False
Which factor will have an effect on the final printed color?
Ink film thickness.
All other answers are correct.
Halftone screening.
Substrate absorbtion.
Pigment load. - Answers :All other answers are correct.
A densitometer measures light reflectance using RGB filters. - Answers :True
Which style of densitometer is used for measuring printed ink? - Answers :Reflective
An ink with a density of 2.0 reflects how much light? - Answers :1.0%
Three printed ink samples that all measure a density of 1.32 are all the same color. -
Answers :False
Which filter is used by the densitometer when measuring Magenta? - Answers :Green
Solid ink density is a product of which two factors, primarily? - Answers :Amount of ink
on the substrate and pigment load of the ink
Which method of measuring tone value increase should be calibrated to linear (50% =
50%)? - Answers :SCTV
A banded anilox roll test is used to determine optimal print conditions in offset
lithography. - Answers :False
What is used to adjust the tone values of the file before printing? - Answers :Dot gain
compensation curve
, High print contrast is more desirable than low print contrast. - Answers :True
Hardwood fibers tend to be longer than softwood fibers like pine, and help make the
paper stronger. - Answers :False
In order to make paper appear brighter, Optical Brightening Agents (OBAs) can be
added during the papermaking process. - Answers :True
A paper is said to be long grain if it is cut so that the long dimension is in the direction of
the papermaking web. - Answers :True
Which of the following is not a paper coating application method?
-Air Knife
-Cast Coating
-Blade Coater
-Smear Coater - Answers :Smear coater
Assuming the same finished paper weight, which type of paper would have lower
strength? - Answers :Coated
Which extrusion process channels molten polymer into a flat shape which is cooled
using chill rolls? - Answers :Cast Film
The surface tension of the ink must be ________ than the surface energy of the
substrate. - Answers :Lower
Oriented films provide more dimensional stability than non-oriented films. - Answers
:True
Which is currently the most recyclable polymer used in packaging? - Answers :PET
We measure the surface energy of a film in: - Answers :Dyne level
Hue Error measures the largest unwanted absorption of a process ink, which is a metric
of how effective the ink is at filtering what it's supposed to. - Answers :True
In order to measure the Grayness of an ink, you only need to measure the density using
the filter suited for that ink. - Answers :False
Given the following ink densities and TAC%, which should be selected as the maximum
amount of ink?
1.50; 300%
1.55; 320%
1.60; 340%
1.60; 360%
Which attribute of color is represented below?
(Color intensity increases in 5 samples of red) - Answers :Chroma
For Lab and LCH color, an L* value of ________ represents Black and an L* value of
_______ represents White. - Answers :0 is black, 100 is white
In discriminating between colors, everyone sees the same differences in lightness, in
chroma and in hue angle. - Answers :True
What is the term used when calculating the numerical difference between two colors. -
Answers :Delta E
Assuming everything else is equal, a higher LPI will result in a lower TVI (dot gain). -
Answers :False
Which factor will have an effect on the final printed color?
Ink film thickness.
All other answers are correct.
Halftone screening.
Substrate absorbtion.
Pigment load. - Answers :All other answers are correct.
A densitometer measures light reflectance using RGB filters. - Answers :True
Which style of densitometer is used for measuring printed ink? - Answers :Reflective
An ink with a density of 2.0 reflects how much light? - Answers :1.0%
Three printed ink samples that all measure a density of 1.32 are all the same color. -
Answers :False
Which filter is used by the densitometer when measuring Magenta? - Answers :Green
Solid ink density is a product of which two factors, primarily? - Answers :Amount of ink
on the substrate and pigment load of the ink
Which method of measuring tone value increase should be calibrated to linear (50% =
50%)? - Answers :SCTV
A banded anilox roll test is used to determine optimal print conditions in offset
lithography. - Answers :False
What is used to adjust the tone values of the file before printing? - Answers :Dot gain
compensation curve
, High print contrast is more desirable than low print contrast. - Answers :True
Hardwood fibers tend to be longer than softwood fibers like pine, and help make the
paper stronger. - Answers :False
In order to make paper appear brighter, Optical Brightening Agents (OBAs) can be
added during the papermaking process. - Answers :True
A paper is said to be long grain if it is cut so that the long dimension is in the direction of
the papermaking web. - Answers :True
Which of the following is not a paper coating application method?
-Air Knife
-Cast Coating
-Blade Coater
-Smear Coater - Answers :Smear coater
Assuming the same finished paper weight, which type of paper would have lower
strength? - Answers :Coated
Which extrusion process channels molten polymer into a flat shape which is cooled
using chill rolls? - Answers :Cast Film
The surface tension of the ink must be ________ than the surface energy of the
substrate. - Answers :Lower
Oriented films provide more dimensional stability than non-oriented films. - Answers
:True
Which is currently the most recyclable polymer used in packaging? - Answers :PET
We measure the surface energy of a film in: - Answers :Dyne level
Hue Error measures the largest unwanted absorption of a process ink, which is a metric
of how effective the ink is at filtering what it's supposed to. - Answers :True
In order to measure the Grayness of an ink, you only need to measure the density using
the filter suited for that ink. - Answers :False
Given the following ink densities and TAC%, which should be selected as the maximum
amount of ink?
1.50; 300%
1.55; 320%
1.60; 340%
1.60; 360%
