Which of the following is used to increase refractoriness of sand?

Related MCQs

• Which of the following sand must possess high refractoriness?
• Refractoriness in the moulding sand is due to the presence of
• Sand acquires a predetermined shape under pressure and retains the same when pressure is removed. This is due to the property of sand known as
• As compared to green sand in shell moulding cooling rate of cast metal is slow. Hence as compared to green sand castings, shell moulded castings will have
• Which of the following is used as protective admixture in moulding sand for magnesium castings?
• The method in which green sand is generally used is
• The sprue pin/sprue hole used for sand moulds is
• The sand used for filling the bulk of the moulding flask
• The moulding tool used for finishing/repairing the sand mould after pattern withdrawal is termed as
• Hand tool used in foundry shop for mixing and conditioning the foundry sand is termed