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16: Review Questions
Explain the three main ingredients of ink.
_____ is the ink’s ability to cover the substrate.
_____ refers to the ink’s thickness or fluidity.
What type of press uses soft-bodied inks?
Define
thixotropy
.
Which ink quality would tend to make the ink fly out on a high-speed press?
A. Short ink.
B. Long ink.
C. High tack.
D. Low tack.
Low ink tack could cause which of the following problems?
A. Paper tearing.
B. Picking.
C. Splitting.
D. None of the above.
Describe the six ways ink can dry.
_____ viscosity ink is thick and resists flow, while _____ viscosity ink is fluid and flows more easily.
_____ can be found in many commercial letterpress facilities since it can be used on a wide variety of presses and papers.
Why are screen printing inks thicker than inks used for other processes?
Name two common problems associated with lithographic inks.
Give two advantages of using vegetable oil–based inks.
What is the most important factor in the growth of UV-curable ink use?
What is the function of a spectrophotometer?
What six factors should you consider when ordering ink?
True or False?
Strike-through is an ink-penetration problem that is caused by thin stock.
A. True
B. False
What instrument is used to measure the amount of light reflected from an object?
What are the four principle working characteristics of a set of process inks?
What three types of color diagrams are used for process ink analysis?
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