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The bearings used in the propeller shafts are prepared using ________

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The bearings used in the propeller shafts are prepared using ________

(a) Phenol-formaldehyde resin

(b) TEFLON

(c) Vinyl cyanide

(d) Vinyl iso cyanide

I got this question in a job interview.

The origin of the question is Preparation, Properties and Applications of Some Compounds topic in chapter High Polymers and Plastics of Applied Chemistry

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Right answer is (a) Phenol-formaldehyde resin

For explanation I would say: The bearings used in the propeller shafts are made by using Phenol-formaldehyde resin. It is also used in the paper industry and rolling mills.

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