Term
| Impression cylinder in a 3-cylinder system could be... |
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Definition
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Term
| Drying time of each color between units in a 3-cylinder and 5-cylinder system... |
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Definition
| each color has the same drying time in a 3-cylinder system |
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Term
| Print nip is contact line between... |
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Definition
| plate and blanket cylinder |
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Term
| Double-sized impression cylinder is good for printing thick stock because... |
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Definition
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Term
| undercut of plate cylinder is... |
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Definition
| distance between plate cylinder body and bearer ring |
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Term
| impression pressure is automatically adjusted on the press by setting... |
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Definition
| the thickness of the paper |
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Term
| when packing blanket cylinder, packing gauge is zeroed on _____ |
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Definition
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Term
| excessive blanket packing can cause... |
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Definition
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Term
| when packing blanket cylinder, packing material is... |
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Definition
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Term
blanket thickness = .006
2 pieces of packing sheets are used.
Each sheet is 3 points
undercut = .009
What is the packet height of the blanket cylinder? |
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Definition
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Term
plate thickness = .002
undercut = .005
packing height = ? |
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Definition
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Term
| total squeeze of plate and blanket cylinder based on the last two questions? |
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Definition
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Term
| paper sandwich is used to check... |
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Definition
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Term
| emulsion desired in offset printing... |
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Definition
| small water droplets in ink |
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Term
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Definition
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Term
| T/F: metering roller used in alcohol system is harder |
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Definition
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Term
| ink roller stripping is caused by... |
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Definition
| excessive water penetrating onto ink roller surface |
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Term
| which of the following problem is caused by hard metering roller in alcohol-free system? |
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Definition
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Term
| which of the following phenomenon is NOT a sign of good ink/water balance? |
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Definition
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Term
| excessive of water feed to the system can cause... |
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Definition
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Term
| what kind of blanket has larger packing latitude? |
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Definition
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Term
| when mounting blanket, warp direction of blanket is wrapped... |
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Definition
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Term
| which of the following blanket can cause higher degree of tail-end hook? |
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Definition
| blanket with smooth surface |
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Term
| which blanket has the best smash resistance? |
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Definition
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Term
| which kind of blanket surface can produce sharp dots or lines? |
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Definition
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Term
| in terms of paper release from the blanket, what type of blanket releases easily? |
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Definition
| blanket with rough surface |
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Term
| to print large solid areas, what time of blanket is best? |
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Definition
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Term
which of the following condition introduces more tail end hook? printing with...
-higher speed
-rougher blanket
-thicker paper |
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Definition
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Term
| which feeder has higher printing speed? |
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Definition
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Term
| if the double sheet detector failed, a double sheet in the press can cause... |
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Definition
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Term
| in a 5-color press, a perfector is located between the 2nd and 3rd units. What is this called? |
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Definition
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Term
| if misfeeding is not detected by the press, it can cause... |
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Definition
| print on impression cylinder |
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Term
| after printed on one side, all sheets are flipped over and the front edge becomes the rear edge when printing on the other side. This is called... |
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Definition
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Term
| each sheet fed to the press is aligned at the feeder. it is aligned by... |
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Definition
| 2 front guides and 1 side guide |
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Term
| the suction heads of a single sheet feeder picks up... |
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Definition
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Term
| which of the following sheet reversal methods has more printable area? |
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Definition
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Term
| sheet slow-down decide is located at the... |
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Definition
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Term
| which method can PRESET the ink level on press? |
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Definition
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Term
| During makeready, ink density of each color is checked. Density should be measured when the sheet is printed at... |
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Definition
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Term
| For a typical sheetfed press, during makeready ink level is adjusted, it is better to measure density after _____ are printed |
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Definition
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Term
| sheet slips at grippers can cause |
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Definition
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Term
| overpacked blankets can cause |
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Definition
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Term
| if small ink spots are on non-image areas, this is called... |
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Definition
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Term
| which can cause slurring? |
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Definition
ink form roller is too tight to plate
blanket is overpacked
paper has very smooth surface |
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Term
| what causes slip in grippers? |
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Definition
paper is too smooth
paper surface = too much powder
mechanical problem with grippers |
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Term
| ghosting image of chemical ghosting reflects the image from the _____ side of the printing sheet |
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Definition
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Term
| ghosting image of mechanical ghosting reflects the image from the ____ same of the printing sheet |
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Definition
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Term
| how to minimize chemical ghosting? |
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Definition
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Term
what is most likely to show mechanical ghosting?
press with 2 ink form rollers
or
press with 4 ink form rollers |
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Definition
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Term
| at drying section of press, spray powder to help avoid.. |
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Definition
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Term
| what can cause blanket piling? |
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Definition
| printed paper contains too much drying powder |
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