Building Materials The proportions of lime and sand in the mortar normally used in brick construction are 1 : 8 1 : 6 1 : 2 1 : 4 1 : 8 1 : 6 1 : 2 1 : 4 ANSWER DOWNLOAD EXAMIANS APP
Building Materials If the iron ore contains clay as an impurity, the flux added during calcination, is All listed here Argillaceous iron ore Clay Lime stone All listed here Argillaceous iron ore Clay Lime stone ANSWER DOWNLOAD EXAMIANS APP
Building Materials The rocks which are formed due to pouring of magma at the earth's surface are called Igneous rocks Volcanic rocks Hypabyssal rocks Plutonic rocks Igneous rocks Volcanic rocks Hypabyssal rocks Plutonic rocks ANSWER DOWNLOAD EXAMIANS APP
Building Materials The most common admixture which is used to accelerate the initial set of concrete is Gypsum None of these Calcium carbonate Calcium chloride Gypsum None of these Calcium carbonate Calcium chloride ANSWER DOWNLOAD EXAMIANS APP
Building Materials Calcination of iron ores is done To remove moisture All listed here By roasting in heaps To remove carbonic acid To remove moisture All listed here By roasting in heaps To remove carbonic acid ANSWER DOWNLOAD EXAMIANS APP
Building Materials The specific gravity of marble, is 2.72 2.5 2.6 2.66 2.72 2.5 2.6 2.66 ANSWER DOWNLOAD EXAMIANS APP
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