Building Materials Pig iron is manufactured from the ores by Calcination and roasting Smelting Dressing All of these Calcination and roasting Smelting Dressing All of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials Proper amount of entrained air in concrete results in (i) Better workability (ii) Better resistance to freezing and thawing (iii) Lesser workability (iv) Less resistance to freezing and thawing (iii) and (iv) (i) and (ii) (ii) and (iii) (i) and (iv) (iii) and (iv) (i) and (ii) (ii) and (iii) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Building Materials Percentage of silica in a good brick earth lies between 50 to 60 % 70 to 80 % 20 to 30 % 5 to 10 % 50 to 60 % 70 to 80 % 20 to 30 % 5 to 10 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Percentage of carbon content in mild steel is Between 0.25 and 0.7 Less than 0.25 Between 0.7 and 1.5 Greater than 1.5 Between 0.25 and 0.7 Less than 0.25 Between 0.7 and 1.5 Greater than 1.5 ANSWER DOWNLOAD EXAMIANS APP
Building Materials The rocks which are formed due to pouring of magma at the earth's surface are called Hypabyssal rocks Volcanic rocks Plutonic rocks Igneous rocks Hypabyssal rocks Volcanic rocks Plutonic rocks Igneous rocks ANSWER DOWNLOAD EXAMIANS APP
Building Materials Seasoning of timber is essential to remove Twisted fibre from timber Knots from timber Sap from timber Roughness of timber Twisted fibre from timber Knots from timber Sap from timber Roughness of timber ANSWER DOWNLOAD EXAMIANS APP
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