Consider the following pairs of plastics and their distinct characteristics: 1. Acrylics very good transparency to light 2. Polycarbonate poor impact resistance. 3. PTEF low coefficient of friction. 4. Polypropylene excellent fatigue strength- Which of these statements are correct?

Consider the following pairs of plastics and their di

1.	Consider the following pairs of plastics and their distinct characteristics: 1. Acrylics very good transparency to light 2. Polycarbonate poor impact resistance. 3. PTEF low coefficient of friction. 4. Polypropylene excellent fatigue strength- Which of these statements are correct?
A.	2 and 3
B.	1 and 3
C.	1 and 4
D.	2 and 4.
Answer» D. 2 and 4.

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Consider the following pairs of plastics and their distinct characteristics: 1. Acrylics very good transparency to light 2. Polycarbonate poor impact resistance. 3. PTEF low coefficient of friction. 4. Polypropylene excellent fatigue strength- Which of these statements are correct?

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