Which of the following sand must possess high refractoriness?

Related MCQs

• Which of the following is used to increase refractoriness of sand?
• 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
• Sand grains which give high mould strength are
• The strength of the sand is high if grains are
• The property of sand to withstand the high temperature of the molten metal without fusing or breakdown is known as
• Which of the following is used as protective admixture in moulding sand for magnesium castings?
• Which of the following is the anti-penetration material introduced in the moulding sand?
• Which grain shape of sand particles is least preferred for foundry sands?