Building Materials The cast iron when heated to red heat with powdered red haematite in an oven for increasing its toughness, is converted to Toughed cast iron Grey cast iron White cast iron Mottled cast iron Toughed cast iron Grey cast iron White cast iron Mottled cast iron ANSWER DOWNLOAD EXAMIANS APP
Building Materials Stones used for ornamental work must be Soft Hard Light Heavy Soft Hard Light Heavy ANSWER DOWNLOAD EXAMIANS APP
Building Materials A stone is rejected if it absorbs water more than 20 % 10 % 15 % 5 % 20 % 10 % 15 % 5 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which one of the following polymers is obtained from condensation polymerization? Melamine-formaldehyde All of these Phenol formaldehyde Carbamide Melamine-formaldehyde All of these Phenol formaldehyde Carbamide ANSWER DOWNLOAD EXAMIANS APP
Building Materials Rapid hardening cement attains early strength due to Lesser proportion of lime grounded coarser than normal cement Lesser proportion of lime grounded finer than normal cement Larger proportion of lime grounded finer than normal cement Excess percentage of gypsum Lesser proportion of lime grounded coarser than normal cement Lesser proportion of lime grounded finer than normal cement Larger proportion of lime grounded finer than normal cement Excess percentage of gypsum ANSWER DOWNLOAD EXAMIANS APP
Building Materials Plastic Finished products are rigid and stable at normal temperature All listed here Consists of natural or synthetic binders Is an organic substance Finished products are rigid and stable at normal temperature All listed here Consists of natural or synthetic binders Is an organic substance ANSWER DOWNLOAD EXAMIANS APP
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