Q. Gniess is obtained from

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Q. The rocks formed by gradual deposition, are called

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Q. Galvanising means covering iron with a thin coat of

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Q. For preparing porcelains, the clay should be

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Q. Polymerization helps to improve the property of

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Q. Good quality stones must

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Q. Sewer pipes are made of

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Q. Fibre glass

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Q. Pick up the correct statement from the following:

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Q. Pick up the correct statement from the following:

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Q. The initial setting time of lime-pozzolana, is

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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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