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Gooseneck injection type mechanism is ___________ chamber mechanism.

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in Foundry and Forging by (110k points)
Gooseneck injection type mechanism is ___________ chamber mechanism.

(a) Hot

(b) Cold

(c) Temperature Independent

(d) Room temperature

I had been asked this question in final exam.

The query is from Pressure Die Casting in chapter Moulding Machines & Special Moulding Processes of Foundry and Forging

1 Answer

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Best answer
The correct answer is (a) Hot

Explanation: The Gooseneck or the air injection type process utilizes air at relatively high pressures. The pressure if the air is around 30 to 40 kg/cm².  As the molten metal is also present beneath the surface it is a hot chamber process.

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