Building Materials The practical limit of moisture content achieved in air drying of timber is 35 % 5 % 15 % 25 % 35 % 5 % 15 % 25 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials For one cubic metre of brick masonry, number of bricks required, is 500 425 400 450 500 425 400 450 ANSWER DOWNLOAD EXAMIANS APP
Building Materials The percentage of alumina in a good brick earth lies between 50 to 60 % 5 to 10 % 20 to 30 % 70 to 80 % 50 to 60 % 5 to 10 % 20 to 30 % 70 to 80 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Quick setting cement is produced by adding More amount of gypsum in very fine powdered form Less amount of gypsum in very fine powdered form Pozzolana in very fine powdered form Aluminium sulphate in very fine powdered form More amount of gypsum in very fine powdered form Less amount of gypsum in very fine powdered form Pozzolana in very fine powdered form Aluminium sulphate in very fine powdered form ANSWER DOWNLOAD EXAMIANS APP
Building Materials For slaking of 10 kg of CaO, the theoretical amount of water is 3.2 kg 1.5 kg None of these 2.2 kg 3.2 kg 1.5 kg None of these 2.2 kg ANSWER DOWNLOAD EXAMIANS APP
Building Materials First class timber has an average life of 1 to 5 years 5 to 10 years More than 10 years Less than one year 1 to 5 years 5 to 10 years More than 10 years Less than one year ANSWER DOWNLOAD EXAMIANS APP