Construction Materials

291) Bloating of bricks is due to

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all the above

292) To improve the quality of bricks sometimes sand is added to the powdered soil. This process is known as

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mixing

293) Bricks are likely to get discolored by the formation of white deposit when they contain large proportion of soluble salts. This phenomenon is called

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efflorescence

294) The shape of the brick gets deformed due to rain water falling on hot brick. This defect is known as

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bloating

295) Which one of the following does not belong to endogenous trees?

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teak

296) Which one of the following does not belong to exogenous trees?

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coconut

297) Which of the following wood has the maximum resistance to white ants?

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eak

298) Which of the following is not a soft wood

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shisham

299) Which of the following is not a hard wood?

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deodar

300) A thin sheet of wood sliced from a log of wood is called

Discuss in Comment

veneer

Subject Notes

Objective Box

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