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Building Materials

Q1: Pick up the correct statement from the following:

A The percentage of absorption for firebricks varies from 5 to 10

B The percentage of silica in silica bricks is to the extent of about 95 to 97 percent

C Roughly 1 to 2 percent of lime in silica bricks is added to act as binding material

D The compressive strength of silica bricks is about 150 kg/cm2

E All the above.

ANS:E - All the above.

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