Building Materials Gypsum consists of H₂S and CO₂ CO₂ and calcium Lime and H₂O CaSO4 and H₂O H₂S and CO₂ CO₂ and calcium Lime and H₂O CaSO4 and H₂O ANSWER DOWNLOAD EXAMIANS APP
Building Materials The basic purpose of a retarder in concrete is To render the concrete more water tight To increase the initial setting time of cement paste in concrete To improve the workability of concrete mix To decrease the initial setting time of cement paste in concrete To render the concrete more water tight To increase the initial setting time of cement paste in concrete To improve the workability of concrete mix To decrease the initial setting time of cement paste in concrete ANSWER DOWNLOAD EXAMIANS APP
Building Materials Specific gravity for most of the building stones lies between 2.0 to 2.5 2.5 to 3.0 3.0 to 3.5 1.5 to 2.0 2.0 to 2.5 2.5 to 3.0 3.0 to 3.5 1.5 to 2.0 ANSWER DOWNLOAD EXAMIANS APP
Building Materials A first class brick when immersed in cold water for 24 hours should not absorb water more than 20 % 22 % 25 % 15 % 20 % 22 % 25 % 15 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Lime putty Is made from hydraulic lime All of above Can be used only upto three days Is made by adding lime to water Is made from hydraulic lime All of above Can be used only upto three days Is made by adding lime to water ANSWER DOWNLOAD EXAMIANS APP
Building Materials The rocks which are formed due to cooling of magma at a considerable depth from earth's surface are called Hypabyssal rocks Plutonic rocks Igneous rocks Volcanic rocks Hypabyssal rocks Plutonic rocks Igneous rocks Volcanic rocks ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS