Building Materials The coefficient of hardness of stones used in road work should be greater than 10 15 12 17 10 15 12 17 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Seasoning of timber is done for Decreasing moisture content Increasing strength of timber None to these Increasing moisture content Decreasing moisture content Increasing strength of timber None to these Increasing moisture content ANSWER DOWNLOAD EXAMIANS APP
Building Materials Oil varnish generally consists of Spirit, oil and wax Oil, wax and resin Resin, oil and turpentine Synthetic resin and spirit Spirit, oil and wax Oil, wax and resin Resin, oil and turpentine Synthetic resin and spirit ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pig iron is manufactured from the ores by Dressing Calcination and roasting All of these Smelting Dressing Calcination and roasting All of these Smelting ANSWER DOWNLOAD EXAMIANS APP
Building Materials The usual percentages of clay and metal in cermet are: 60%, 40% 70%, 30% 50%, 50% 80%, 20% 60%, 40% 70%, 30% 50%, 50% 80%, 20% ANSWER DOWNLOAD EXAMIANS APP
Building Materials Galvanising means covering iron with a thin coat of Glaze Tin Zinc Coal tar Glaze Tin Zinc Coal tar ANSWER DOWNLOAD EXAMIANS APP