Building Materials Percentage of silica in a good brick earth lies between 20 to 30 % 70 to 80 % 50 to 60 % 5 to 10 % 20 to 30 % 70 to 80 % 50 to 60 % 5 to 10 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Bitumen completely dissolves in Carbon bisulphide All of these Chloroform Coal tar Carbon bisulphide All of these Chloroform Coal tar ANSWER DOWNLOAD EXAMIANS APP
Building Materials For testing compressive strength of cement, the size of cube used is 50 mm 70.6 mm 100 mm 150 mm 50 mm 70.6 mm 100 mm 150 mm ANSWER DOWNLOAD EXAMIANS APP
Building Materials During smelting process, the combination of fuel in the furnace Forms carbon dioxide Carbon mono-oxide reacts with Fe2O3 to form iron and liberates CO2 All listed here Carbon dioxide with carbon forms carbon mono-oxide Forms carbon dioxide Carbon mono-oxide reacts with Fe2O3 to form iron and liberates CO2 All listed here Carbon dioxide with carbon forms carbon mono-oxide ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pick up the polymineralic rock from the following: Quartz sand Granite Pure gypsum Magnesite Quartz sand Granite Pure gypsum Magnesite ANSWER DOWNLOAD EXAMIANS APP
Building Materials Bitumen emulsion is Used as anti-corrosive paint A paint A liquid containing bitumen in suspension All listed here Used as anti-corrosive paint A paint A liquid containing bitumen in suspension All listed here ANSWER DOWNLOAD EXAMIANS APP