Q. Mastic asphalt is

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Q. Non acid-resistant asbestos is :

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Q. Stones used for the construction of retaining walls must be

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Q. The pigment used in paints for corrosive resistance, is

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Q. A well seasoned timber may contain moisture up to

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Q. The stones obtained by blasting are used as

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Q. Distemper is

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Q. Oil varnish generally consists of

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Q. Water paint is a

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Q. Seasoning of timber is done

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Q. The specific gravity of marble, is

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Q. The rocks having alumina or clay as their major constituents, are known as

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Q. The curved swellings from the growth of layers or wounds left after branches are cut off in an irregular manner, are known as

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Q. Pick up the correct statement from the following:

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Q. The cracks which extend from bark towards the sap wood in the cross section of a tree, are called

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Q. Sea sand used in structures causes

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Q. The compound of Portland cement which reacts immediately with water and also sets first is

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Q. Refractory bricks resist

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Q. Pick up the correct statement from the following:

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

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