The strength of the sand is high if grains are

Related MCQs

• Sand grains which give high mould strength are
• Moulding sand properties that depend upon size and shape of grains and bonding material are
• 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 sand must possess high refractoriness?
• The property of sand to withstand the high temperature of the molten metal without fusing or breakdown is known as
• Permeability of moulding sand is increased due to/by
• Mixing coal dust with moulding sand results in
• Refractoriness in the moulding sand is due to the presence of
• Average amount of sand required in a foundry for making one tonne of casting is nearly