a) True b) False Answer: a Explanation: The given statement is true. Films with glass transition temperature below ...
View QuestionThe amount of orientation imparted to a film depends on the amount of quench.
a) True b) False Answer: a Explanation: The given statement is true. The amount of orientation imparted to ...
View QuestionThe orientation % in BOPP by the double bubble process lies between _________
a) 200-1000 b) 200-800 c) 700-800 d) 700-1000 Answer: c Explanation: The orientation % in BOPP by ...
View QuestionDraw ratios in tender frame process ranges from ______ to _____
a) 4:1, 10:1 b) 2:1, 10:1 c) 3:1, 10:1 d) 5:1, 10:1 Answer: a Explanation: Draw ratios ...
View QuestionWhich of the following does not affect stretch rate in tender frame process?
a) Extent of orientation b) Divergence angle c) Feed rate d) Chain speed Answer: c Explanation: Feed ...
View QuestionOrientation increases permeability.
a) True b) False Answer: b Explanation: The given statement is false. Orientation decreases permeability. It ...
View QuestionThe temperature of orientation is ______ the flow temperature and _____ the glass transition temperature.
a) above, above b) above, below c) below, below d) below, above Answer: d Explanation: The temperature ...
View QuestionWhich of the following methods are used for orientation of plastic films?
a) Tenter frame and bubble frame b) Tenter frame and Double bubble c) Tenter bubble and Double bubble
View QuestionThe film after annealing is called ________
a) Strict film b) Film set c) Heat set d) Heat film Answer: c Explanation: The film ...
View Question__________ is the process which reduces the residual strain after the extrusion process.
a) Lacquering b) Canning c) Electroplating d) Annealing Answer: d Explanation: Annealing is the process which reduces ...
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