Q. The variety of pig iron used for the manufacture of steel by Bessemer process, is

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Q. For melting one tonne of cast iron

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Q. Sand stone is

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Q. If the furnace is provided with insufficient fuel at low temperatures, the type of pig iron produced, is called

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Q. Stainless steel contains

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Q. Pick up the hypabyssal rock from the following:

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Q. Depending on the chemical composition and mechanical properties, iron may be classified as

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Q. Which one of the following is acid resistant asbestos:

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Q. Due to attack of dry rot, the timber

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Q. Brittleness of cold is due to an excess of

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Q. For the manufacture of Portland cement, the proportions of raw materials used, are

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Q. Asbestos cement

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Q. Wrought iron contains carbon about

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Q. The main constituent of fly-ash, is

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Q. Bitumen in

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Q. The plastics made from cellulose resin

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Q. Kaolin is chemically classified as

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Q. In a mortar, the binding material is

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Q. Lacquer paints

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Q. Wrought iron contains carbon upto

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