Building Materials The age of a tree can be known by examining Heart wood Medullary rays Annular rings Cambium layer Heart wood Medullary rays Annular rings Cambium layer ANSWER DOWNLOAD EXAMIANS APP
Building Materials The type of steel used for precision levelling staff, is Stainless steel Titanium steel Carbon steel Invar Stainless steel Titanium steel Carbon steel Invar ANSWER DOWNLOAD EXAMIANS APP
Building Materials The yield strength and tensile strength of low carbon steel may be improved by the addition of Manganese Chromium Nickel Vanadium Manganese Chromium Nickel Vanadium ANSWER DOWNLOAD EXAMIANS APP
Building Materials To retard the initial setting time of cement, the compound responsible, is Tri-calcium silicate Di-calcium silicate Gypsum Tri-calcium aluminate Tri-calcium silicate Di-calcium silicate Gypsum Tri-calcium aluminate ANSWER DOWNLOAD EXAMIANS APP
Building Materials The size of mould for bricks, is generally kept A little large to specified size 10% larger than specified size Equal to specified size A little small to specified size A little large to specified size 10% larger than specified size Equal to specified size A little small to specified size ANSWER DOWNLOAD EXAMIANS APP
Building Materials Asbestos Is a natural fibrous mineral substance Contains iron oxide and alumina All of these Is composed of hydrous silicates of calcium and magnesium (CaSiO3, 3MgSiO3) Is a natural fibrous mineral substance Contains iron oxide and alumina All of these Is composed of hydrous silicates of calcium and magnesium (CaSiO3, 3MgSiO3) ANSWER DOWNLOAD EXAMIANS APP