【Daily Topic】【Engineering Version 20160828】
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Participation reward: 2 Wealth. Reward for the correct answer: 9 Wealth. It is known that to build a 1m3 wall made of standard bricks, 521.7 standard bricks are required. Each standard brick has dimensions of 240mm×115mm×53mm, and both the standard bricks and the mortar incur a loss rate of 1%. Therefore, the total amount of mortar needed to build a 1m3 wall made of standard bricks is ( ) m3. A.0.229 B.0.232 C.0.237 D.0.239 Correct answer: D
It is known that to build a 1 m3 wall made of standard bricks, 521.7 standard bricks are required. Each standard brick has dimensions of 240 mm × 115 mm × 53 mm, and the loss rate for both standard bricks and mortar is 1%. Therefore, the total amount of mortar needed to construct a 1 m3 wall made of standard bricks is (D) m3. A.0.229 B.0.232 C.0.237 D.0.239