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Filament winding involves the use of which one of the following fiber reinforcements:


A) continuous filaments
B) fabrics
C) mats
D) prepregs
E) short fibers
F) woven rovings

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Which of the following are not normally used in the processing of thermoplastic elastomers (two correct answers) :


A) blow molding
B) compression molding
C) extrusion
D) injection molding
E) vulcanization

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The difference between a roving and a yarn is that a roving consists of untwisted filaments whereas a yarn consists of twisted filaments:

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