Building Materials In the method of condensation polymerization, The reaction proceeds with an evolution of hydrogen chloride All of these Low-molecular substances are removed from the high molecular substance The reaction proceeds with an evolution of ammonia The reaction proceeds with an evolution of hydrogen chloride All of these Low-molecular substances are removed from the high molecular substance The reaction proceeds with an evolution of ammonia ANSWER DOWNLOAD EXAMIANS APP
Building Materials The main ingredients of Portland cement are Lime and iron Lime and silica Silica and alumina Lime and alumina Lime and iron Lime and silica Silica and alumina Lime and alumina ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following gradients exerts maximum influence on properties of steel? iron sulphur manganese carbon iron sulphur manganese carbon ANSWER DOWNLOAD EXAMIANS APP
Building Materials Vanadium steel is generally used for Magnets Axles and springs Railway switches and crossing Bearing balls Magnets Axles and springs Railway switches and crossing Bearing balls ANSWER DOWNLOAD EXAMIANS APP
Building Materials The compound of Portland cement which reacts immediately with water and also sets first is Tri-calcium silicate Tri-calcium aluminate Tetra calcium alumino ferrite Di-calcium silicate Tri-calcium silicate Tri-calcium aluminate Tetra calcium alumino ferrite Di-calcium silicate ANSWER DOWNLOAD EXAMIANS APP
Building Materials Crushing strength of a first class brick should not be less than 3.5 N/mm² 7.0 N/mm² 10.5 N/mm² 14.0 N/mm² 3.5 N/mm² 7.0 N/mm² 10.5 N/mm² 14.0 N/mm² ANSWER DOWNLOAD EXAMIANS APP
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