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: Iron-oxide Magnesia Lime Alumina Iron-oxide Magnesia Lime Alumina ANSWER DOWNLOAD EXAMIANS APP
Building Materials Cast iron contains carbon approximately 1.5% to 5.5% 0.05% to 1.75% None to these 0.250 % 1.5% to 5.5% 0.05% to 1.75% None to these 0.250 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Percentage content of silica in window glass, is 70 to 75 50 to 55 40 to 45 60 to 65 70 to 75 50 to 55 40 to 45 60 to 65 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Portland cement manufactured from pure white chalk and clay but free from iron-oxide, is known as White cement Low heat Portland cement Rapid hardening cement Quick setting cement White cement Low heat Portland cement Rapid hardening cement Quick setting cement ANSWER DOWNLOAD EXAMIANS APP
Building Materials The age of a tree can be known by examining Medullary rays Annular rings Cambium layer Heart wood Medullary rays Annular rings Cambium layer Heart wood ANSWER DOWNLOAD EXAMIANS APP
Building Materials The initial setting time for ordinary Portland cement as per IS specifications should not be less than 60 minutes 600 minutes 30 minutes 10 minutes 60 minutes 600 minutes 30 minutes 10 minutes ANSWER DOWNLOAD EXAMIANS APP
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