Building Materials The age of a tree can be known by examining Medullary rays Annular rings Cambium layer Heart wood Medullary rays Annular rings Cambium layer Heart wood ANSWER DOWNLOAD EXAMIANS APP
Building Materials To retard the initial setting time of cement, the compound responsible, is Gypsum Di-calcium silicate Tri-calcium silicate Tri-calcium aluminate Gypsum Di-calcium silicate Tri-calcium silicate Tri-calcium aluminate ANSWER DOWNLOAD EXAMIANS APP
Building Materials The stretcher bond in brick masonry can be used only when the thickness of wall is 190 mm 90 mm 180 mm 280 mm 190 mm 90 mm 180 mm 280 mm ANSWER DOWNLOAD EXAMIANS APP
Building Materials A good brick earth should contain: About 50% to 60% of silica About 20% to 30% of alumina Not more than 5% of lime All listed here About 50% to 60% of silica About 20% to 30% of alumina Not more than 5% of lime All listed here ANSWER DOWNLOAD EXAMIANS APP
Building Materials Stones used for ornamental work must be Light Soft Hard Heavy Light Soft Hard Heavy ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pick up the volcanic rock from the following: Granite Basalt All listed here Dolerite Granite Basalt All listed here Dolerite ANSWER DOWNLOAD EXAMIANS APP