Q. The clay to be used for manufacturing bricks for a large project, is dugout and allowed to weather throughout

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Q. The rocks which are formed due to cooling of magma at a considerable depth from earth's surface are called

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Q. Quartzite is a

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Q. The variety of pig iron used for manufacture of wrought iron, is

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Q. The commonly used colour pigment in paints, is

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Q. Varnish is a transparent or semi-transparent solution of resinuous substances in

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Q. Initial setting time of cement for asbestos cement products should be not less than

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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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