Q. PVC stands for

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Q. Generally wooden moulds are made from

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Q. Pick up the correct statement from the following:

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Q. Calcination of iron ores is done

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Q. Strength of cement concrete primarily depends upon

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Q. Rapid hardening cement contains

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Q. Bitumen emulsion is

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Q. Cast iron

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Q. Asbestos is

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Q. In a rock calcium carbonate predominates. State whether it is :

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Q. In order of increasing percentage of silica, the correct sequence is

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Q. The rocks which are formed due to pouring of magma at the earth's surface are called

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Q. The percentage of water for normal consistency, is

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Q. Pick up the correct statement from the following:

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Q. The main ingredient of a good quality brick earth, is

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Q. Bitumen is generally obtained from

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Q. For one cubic metre of brick masonry, number of bricks required, is

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Q. Quick lime

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Q. Age of a tree may be ascertained by

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Q. The portion of a brick cut to form angles other than right angles in plan, is known as

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