Building Materials Good quality stones must Be free from clay All of these Resist action of acids Be durable Be free from clay All of these Resist action of acids Be durable ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following pairs gives a correct combination of the useful and harmful constituents respectively of a good brick earth? Lime stone and alumina Alkalies and magnesium Silica and alkalies Alumina and iron Lime stone and alumina Alkalies and magnesium Silica and alkalies Alumina and iron ANSWER DOWNLOAD EXAMIANS APP
Building Materials Calcination of iron ores is done To remove moisture To remove carbonic acid By roasting in heaps All listed here To remove moisture To remove carbonic acid By roasting in heaps All listed here ANSWER DOWNLOAD EXAMIANS APP
Building Materials Lime mortar is generally made with Hydraulic lime Fat lime Quick lime Plain lime Hydraulic lime Fat lime Quick lime Plain lime ANSWER DOWNLOAD EXAMIANS APP
Building Materials French polish is Spirit varnish Oil paint None to these Distemper Spirit varnish Oil paint None to these Distemper ANSWER DOWNLOAD EXAMIANS APP
Building Materials Depending on the chemical composition and mechanical properties, iron may be classified as Cast iron Wrought iron All of these Steel Cast iron Wrought iron All of these Steel ANSWER DOWNLOAD EXAMIANS APP
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