Building Materials The age of a tree can be known by examining Medullary rays Annular rings Heart wood Cambium layer Medullary rays Annular rings Heart wood Cambium layer ANSWER DOWNLOAD EXAMIANS APP
Building Materials The percentage of alumina in a good brick earth lies between 20 to 30 % 70 to 80 % 5 to 10 % 50 to 60 % 20 to 30 % 70 to 80 % 5 to 10 % 50 to 60 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pig iron is manufactured from the ores by All of these Smelting Calcination and roasting Dressing All of these Smelting Calcination and roasting Dressing ANSWER DOWNLOAD EXAMIANS APP
Building Materials The preparation of surface of stone to obtain plain edges or to obtain stones of required size and shape is known as Blasting of stones Quarrying of stones Seasoning of stones Dressing of stones Blasting of stones Quarrying of stones Seasoning of stones Dressing of stones ANSWER DOWNLOAD EXAMIANS APP
Building Materials Minimum thickness of wall where single Flemish bond can be used is Two bricks thick Half brick thick One brick thick One and a half bricks thick Two bricks thick Half brick thick One brick thick One and a half bricks thick ANSWER DOWNLOAD EXAMIANS APP
Building Materials The stones obtained by blasting are used as Road metal All listed here Aggregates for concrete Ballast in railways Road metal All listed here Aggregates for concrete Ballast in railways ANSWER DOWNLOAD EXAMIANS APP