Q. Wrought iron is manufactured from pig iron by

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Q. Pick up the correct statement from the following:

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Q. Fibre boards can be

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Q. Pick up the correct statement from the following:

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Q. Mastic asphalt is normally used for

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Q. Lime stone is not a

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Q. The size of modular bricks, is

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Q. A piece of timber whose thickness and width are respectively 5 cm and 10 cm is called

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Q. Pig iron is manufactured from the ores by

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Q. The steel which contains fissures and cavities, is manufactured by

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Q. Pick up the volcanic rock from the following:

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Q. In stone masonry, stones (stratified rocks) are so placed that the direction of pressure to the plane of bedding is

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Q. The most durable varnish is

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Q. Softer variety of steel may be obtained by

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Q. Cement paints usually

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Q. The cement becomes unsound by the presence of excess

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Q. The kiln which may work throughout the year, is

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Q. The minimum compressive strength of 1st class bricks should be

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Q. A volatile substance added to a paint to make its application easy and smooth, is known as

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Q. The cast iron when heated to red heat with powdered red haemetite in an oven for increasing its toughness, is converted to

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