Q.

The fiber least prone to catch fire is –

A. nylon
B. polyester
C. cotton
D. terylene
Answer» C. cotton
Explanation: The fiber least prone to catch fire is cotton. Besides, in cases of fire due to electricity, cotton is less prone to static electricity buildup than nylon or other synthetics. Cotton and wool are naturally less prone to burning because the fire can be smothered in the thick fibers.
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