Building Construction

291) The ventilating top of a sewage pipe, or a hood shaped top of a chimney is called

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cowl

292) Which of the following has the highest calorific value?

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rocky area

293) Which of the following has lowest unit weight?

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cork

294) Stone chips or broken bricks are also known as

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spall

295) If the mortar contains both cement and lime as the binding materials, then it is called

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gauged mortar

296) A cut made in the frame of a door to receive the shutter is known as

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rebate

297) The dadoing in a bath room should be upto

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200 cm from floor level

298) In the case of R.C.C. roof slabs covered by insulating layers, the maximum spacing of expansion joints is

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20 to 30 m

299) For buildings on clayee soils, the minimum depth of foundation is

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0.9 to 1.6m

300) Which of the following statements is false

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The foundation in a building will increase the bearing capacity of the soil

Subject Notes

Objective Box

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