PKSC EXAMS BUNDLE TEST BANK FULL SET 2026 QUESTIONS WITH ANSWERS GRADED A+

PKSC EXAMS BUNDLE TEST BANK FULL
SET 2026 QUESTIONS WITH ANSWERS
GRADED A+

>> Why coat for flexible packaging?
Surface protection
Barrier
Primer for adhesion (other films & coatings/extrudates)
Sealants
Modify surface properites
Answer: Surface decoration


>> Coating types
Extrusion
Vacuum
Answer: Liquid


>> Coatings that require drying
Emuslion (held in solution)
Suspension (dispersed0
Answer: Solution (dissolving)


>> Coatings requiring no drying
Answer: 100% solids


>> Applied weight is determined by ____ & ____ & ____
Answer: % solids, density, volume applied


>> ______ & _______ control wet weight applied

, Answer: Volume & density


>> % solids in wet weight reults in _______
Answer: dry weight applied


>> The ____ or _____ meters the coating
Answer: knife or rod


>> Non-roller metering options
Air knife
Mayer Rod
Answer: Knife over roller


>> Knife over roll coating
Coating of emulsions, solutions, plastisols, etc
Answer: Casting of films on carrier substrates


>> Air knife
Highly depending on control of coating properties
Low shear requirements and specific viscosity ranges
Answer: Aqueus emulsions or encapsulated coatings


>> Wire-rod/Meyer bar
Low weight coatings
Aqueous emulsions or solvents
Quick change of coating thickness
Wire wound rods can be driven to smooth coating
Answer: Versatile for short runs


>> Roller coating systems
Answer: Typically meter the coating weight before or during application