Q. The coefficient of hardness of stones used in road work should be greater than

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Q. The method of addition polymerization is used for obtaining:

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Q. Pick up the correct statement from the following:

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Q. A rock contains only one mineral. It is called

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Q. Asbestos

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Q. Pegmatite is a/an

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Q. The percentage of alumina and silica in good fire clay vary respectively is

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Q. The term frog means

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Q. Asphalt is obtained from

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Q. To retard the initial setting time of cement, the compound responsible, is

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Q. Dorry's testing machine is used for

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Q. A bull nose brick is not used for

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Q. Red short iron cracks when bent due to the presence of

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Q. Linseed oil is used in paints as

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Q. Plaster of Paris is obtained by calcining

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Q. For high grade instruments the steel preferred to, is

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Q. Pick up the correct statement from the following:

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Q. The most commonly used base for timber painting, is

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Q. Pick up the most favourable condition for the rapid growth of fungus for dry rot from the following:

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Q. The rocks formed from molten magma, are called

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