Building Materials Which of the following bricks are used for lining of furnaces? First class bricks Under-burnt bricks Over-burnt bricks Refractory bricks First class bricks Under-burnt bricks Over-burnt bricks Refractory bricks ANSWER DOWNLOAD EXAMIANS APP
Building Materials The curved swellings from the growth of layers or wounds left after branches are cut off in an irregular manner are known as Rindgalls Knots None of these Burls Rindgalls Knots None of these Burls ANSWER DOWNLOAD EXAMIANS APP
Building Materials The age of a tree can be known by examining Medullary rays Cambium layer Heart wood Annular rings Medullary rays Cambium layer Heart wood Annular rings ANSWER DOWNLOAD EXAMIANS APP
Building Materials Ultimate strength to cement is provided by Tri-calcium silicate Tetra calcium alumino ferrite Tri-calcium aluminate Di-calcium silicate Tri-calcium silicate Tetra calcium alumino ferrite Tri-calcium aluminate Di-calcium silicate ANSWER DOWNLOAD EXAMIANS APP
Building Materials The main constituent of fly-ash, is Silica All of these Ferrous oxide Aluminium oxide Silica All of these Ferrous oxide Aluminium oxide ANSWER DOWNLOAD EXAMIANS APP