Workshop Technology
When the molten metal is fed in the cavity of a metallic mould by gravity, the method of casting is known as

Permanent mould casting method
Die casting method
Slush casting method
Centrifugal casting method

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Workshop Technology
The purpose of a gate is to

Delivers molten metal from pouring basin to gate
Act as a reservoir for the molten metal
Feed the molten metal to the casting in order to compensate for the shrinkage
Delivers molten metal into the mould cavity

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