M

Mr. Dubey • 52.30K Points
Coach 

Q. How is the die used in injection molding cooled?

(A) oil
(B) air
(C) water
(D) contact with cold surface
Correct : Option (C)

Explanation: 
 when it comes to molding of polymers in thermoplastics, injection molding process is the most common of the methods. in this method, whenever the die has to be cooled, there is water used to cool it.

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