In fluminium foundry, for removing dissolved hydrogen and the entrapped dross, the flux used is

Related MCQs

• Hand tool used in foundry shop for mixing and conditioning the foundry sand is termed
• Slag and dross can be removed by
• If dross and slag along with the liquid metal reach the mould cavity they produce the defect known as
• In melting of aluminium, the dross consists of
• Pattern used in foundry shop is
• In copper alloy foundry which of the following is used to prevent the molten metal from being oxidized?
• Which parameter can be used for the measurement of melt in a foundry?
• Clay used for foundry sand should be
• Average amount of sand required in a foundry for making one tonne of casting is nearly
• Which grain shape of sand particles is least preferred for foundry sands?