Building Materials Granite is not suitable for ordinary building purpose because it can not be polished it is not a fire proof material it has less crushing strength it is costly it can not be polished it is not a fire proof material it has less crushing strength it is costly ANSWER DOWNLOAD EXAMIANS APP
Building Materials The percentage of alumina in a good brick earth lies between 50 to 60 % 20 to 30 % 70 to 80 % 5 to 10 % 50 to 60 % 20 to 30 % 70 to 80 % 5 to 10 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Quick lime Generates heat when added to water All listed here Reacts with carbon dioxide May be used for white-washing Generates heat when added to water All listed here Reacts with carbon dioxide May be used for white-washing ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pick up the constituent of good brick earth whose excess causes the raw bricks shrink and warp during drying and burning, from the following: Alumina Iron-oxide Lime Magnesia Alumina Iron-oxide Lime Magnesia ANSWER DOWNLOAD EXAMIANS APP
Building Materials The weight of a good quality brick when immersed in water for a period of 16 hours should not exceed the weight of dry brick 15 % 20 % None of these 10 % 15 % 20 % None of these 10 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials The stone suitable for rubble masonry should be. Hard Tough Heavy Light Hard Tough Heavy Light ANSWER DOWNLOAD EXAMIANS APP