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The soft and semi solid plastic is injected into mould by _________

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in Applied Chemistry by (101k points)
The soft and semi solid plastic is injected into mould by _________

(a) Orifice

(b) Nozzle

(c) Hinge

(d) Plunger

This question was posed to me in a national level competition.

Origin of the question is Compounding of Plastics in division High Polymers and Plastics of Applied Chemistry

1 Answer

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Best answer
Correct option is (d) Plunger

Best explanation: Plunger is used to inject the soft and semi solid plastic to work at high pressure due to the high friction at nozzle.

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