Building Materials The ratio of the thickness of web to that of flange of steel rolled structural beams and channels is Less than 1 in beams but greater than 1 in channels Less than 1 Equal to 1 Greater than 1 Less than 1 in beams but greater than 1 in channels Less than 1 Equal to 1 Greater than 1 ANSWER DOWNLOAD EXAMIANS APP
Building Materials The slump recommended for mass concrete is about 100 mm to 125 mm 25 mm to 50 mm 50 mm to 100 mm 125 mm to 150 mm 100 mm to 125 mm 25 mm to 50 mm 50 mm to 100 mm 125 mm to 150 mm ANSWER DOWNLOAD EXAMIANS APP
Building Materials In the method of condensation polymerization, The reaction proceeds with an evolution of ammonia The reaction proceeds with an evolution of hydrogen chloride Low-molecular substances are removed from the high molecular substance All of these The reaction proceeds with an evolution of ammonia The reaction proceeds with an evolution of hydrogen chloride Low-molecular substances are removed from the high molecular substance All of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials For a good building stone, its specific gravity should the greater than 3.7 2.7 2.5 2.3 3.7 2.7 2.5 2.3 ANSWER DOWNLOAD EXAMIANS APP
Building Materials The lime which contains mainly calcium oxide and slacks with water, is Hydraulic lime Poor lime Quick lime Fat lime Hydraulic lime Poor lime Quick lime Fat lime ANSWER DOWNLOAD EXAMIANS APP
Building Materials Resins are Left behind on evaporation of oil Soluble in spirit Used in varnishes Not soluble in water Left behind on evaporation of oil Soluble in spirit Used in varnishes Not soluble in water ANSWER DOWNLOAD EXAMIANS APP
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