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Which of the following cooling systems is used in injection moulding process to increase solidification rate of components made?(a) Air jet cooling system(b) Water cooling system(c) Cooling with free convection(d) Cooling with fins

Answer» The correct choice is (b) Water cooling system

Explanation: The cooling system is made by including some passages in the mould walls that are usually connected to an external pump. Cool water is circulated through the passages to extract heat from the hot polymers or plastics components made in the injection moulding process. This cooling system increases the solidification rate which basically reduces the production time.


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