Building Materials The constituent of cement which is responsible for all the undesirable properties of cement is Tri-calcium aluminate Tri-calcium silicate Tetra calcium alumino ferrite Di-calcium silicate Tri-calcium aluminate Tri-calcium silicate Tetra calcium alumino ferrite Di-calcium silicate ANSWER DOWNLOAD EXAMIANS APP
Building Materials The most important tool in brick laying for lifting and spreading mortar and for forming joints is Bolster Scutch Square Trowel Bolster Scutch Square Trowel ANSWER DOWNLOAD EXAMIANS APP
Building Materials Compared to mild steel, cast iron has (i) High compressive strength (ii) High tensile strength (iii) Low compressive strength (iv) Low tensile strength (iii) and (iv) (i) and (ii) (ii) and (iii) (i) and (iv) (iii) and (iv) (i) and (ii) (ii) and (iii) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Building Materials Knots in timber are Speckled strains Splits radiating from the centre Signs of branches cut off Defects caused by crushing fibres Speckled strains Splits radiating from the centre Signs of branches cut off Defects caused by crushing fibres ANSWER DOWNLOAD EXAMIANS APP
Building Materials Wrought iron contains carbon upto 1.5 % 2.0 % 0.25 % 1.0 % 1.5 % 2.0 % 0.25 % 1.0 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Plaster of Paris is obtained by calcining Gypsum None of these Bauxite Lime stone Gypsum None of these Bauxite Lime stone ANSWER DOWNLOAD EXAMIANS APP