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In low-pressure die casting, metal enters the mould very slowly as compared to the die casting.

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in Casting-Forming-Welding I by (687k points)
In low-pressure die casting, metal enters the mould very slowly as compared to the die casting.

(a) True

(b) False

I had been asked this question in exam.

This interesting question is from Low Pressure Die Casting topic in portion Special Casting Techniques of Casting-Forming-Welding I

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The correct option is (a) True

For explanation I would say: In low-pressure die casting, due to the application of riser tube, molten metal flows upward in direction against the gravity. This makes the metal to flow into the mould slowly as compared to the die casting with less turbulence, so the casting quality is also improved by eliminating the defects.

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