The famous iron pillar located near Qutab Minar in New Delhi is made up of which material?
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Which of the following is not a source of moulding sand?
Which of the following is not a type of moulding sand?
What is the percentage composition of clay in natural sand?
What is the percentage composition of water in natural sands?
What is mixed with natural sand to make it semisynthetic sand?
Which sand is used for casting cast irons and non-ferrous metals?
Natural sands are economical than synthetic sands.
What is the amount of clay content in Loam sand?
Which sand is used for making ferrous and non-ferrous alloys?
A general loam sand mixture contains how many volumes of silica?
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