Building Materials According to ISI, bitumen is classified into 4 grades 8 grades 10 grades 2 grades 4 grades 8 grades 10 grades 2 grades ANSWER DOWNLOAD EXAMIANS APP
Building Materials The fire clay contains pure Lime Hydrated aluminium silicate Magnesium Oxide of iron Lime Hydrated aluminium silicate Magnesium Oxide of iron ANSWER DOWNLOAD EXAMIANS APP
Building Materials Asbestos cement All of these Warps due to changes in humidity Strength is lowered when saturated by water Is brittle All of these Warps due to changes in humidity Strength is lowered when saturated by water Is brittle ANSWER DOWNLOAD EXAMIANS APP
Building Materials A 1st class brick immersed in water for 24 hours, should not absorb water (by weight) more than 20 % 10 % 25 % 15 % 20 % 10 % 25 % 15 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Plywood is made by bonding together thin layers of wood in such a way that the angle between grains of any layer to grains of adjacent layers is 45° 30° 0° 90° 45° 30° 0° 90° ANSWER DOWNLOAD EXAMIANS APP
Building Materials The basic purpose of a retarder in concrete is To render the concrete more water tight To decrease the initial setting time of cement paste in concrete To improve the workability of concrete mix To increase the initial setting time of cement paste in concrete To render the concrete more water tight To decrease the initial setting time of cement paste in concrete To improve the workability of concrete mix To increase the initial setting time of cement paste in concrete ANSWER DOWNLOAD EXAMIANS APP
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