Building Materials The main function of alumina in brick earth is To prevent shrinkage To impart plasticity To make the brick impermeable To make the brick durable To prevent shrinkage To impart plasticity To make the brick impermeable To make the brick durable ANSWER DOWNLOAD EXAMIANS APP
Building Materials Cast iron contains carbon approximately None to these 1.5% to 5.5% 0.05% to 1.75% 0.250 % None to these 1.5% to 5.5% 0.05% to 1.75% 0.250 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials The initial setting time of lime-pozzolana, is 90 minutes 30 minutes 120 minutes 60 minutes 90 minutes 30 minutes 120 minutes 60 minutes ANSWER DOWNLOAD EXAMIANS APP
Building Materials Shingle is Air weathered rock Water bound pebbles Decomposed laterite Crushed granite Air weathered rock Water bound pebbles Decomposed laterite Crushed granite ANSWER DOWNLOAD EXAMIANS APP
Building Materials A good building stone should not absorb water more than 15 % 20 % 10 % 5 % 15 % 20 % 10 % 5 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Proper amount of entrained air in concrete results in(i) Better workability(ii) Better resistance to freezing and thawing(iii) Lesser workability(iv) Less resistance to freezing and thawing (i) and (ii) (iii) and (iv) (i) and (iv) (ii) and (iii) (i) and (ii) (iii) and (iv) (i) and (iv) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
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