Building Materials The percentage of alumina in a good brick earth lies between 5 to 10 % 20 to 30 % 70 to 80 % 50 to 60 % 5 to 10 % 20 to 30 % 70 to 80 % 50 to 60 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Stones used for the construction of retaining walls must be Hard Light Soft Heavy Hard Light Soft Heavy ANSWER DOWNLOAD EXAMIANS APP
Building Materials Crushing strength of a good building stone should be more than 200 MPa 100 MPa 150 MPa 50 MPa 200 MPa 100 MPa 150 MPa 50 MPa ANSWER DOWNLOAD EXAMIANS APP
Building Materials For making fly-ash building bricks, the following mix of fly-ash, sand and lime, is 70 : 20 : 10 80 : 13 : 7 60 : 35 : 5 None of these 70 : 20 : 10 80 : 13 : 7 60 : 35 : 5 None of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials Wrought iron contains carbon about 0.1% to 0.25% 1.5% to 5.5% None to these 0.5% to 1.75% 0.1% to 0.25% 1.5% to 5.5% None to these 0.5% to 1.75% ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pig iron is manufactured from the ores by All of these Dressing Calcination and roasting Smelting All of these Dressing Calcination and roasting Smelting ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS