Building Materials During smelting process, the combination of fuel in the furnace Forms carbon dioxide Carbon dioxide with carbon forms carbon mono-oxide All listed here Carbon mono-oxide reacts with Fe2O3 to form iron and liberates CO2 Forms carbon dioxide Carbon dioxide with carbon forms carbon mono-oxide All listed here Carbon mono-oxide reacts with Fe2O3 to form iron and liberates CO2 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Crushing strength of a good building stone should be more than 200 MPa 100 MPa 50 MPa 150 MPa 200 MPa 100 MPa 50 MPa 150 MPa ANSWER DOWNLOAD EXAMIANS APP
Building Materials For making fly-ash building bricks, the following mix of fly-ash, sand and lime, is 60 : 35 : 5 80 : 13 : 7 None of these 70 : 20 : 10 60 : 35 : 5 80 : 13 : 7 None of these 70 : 20 : 10 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Gypsum is a Metamorphic rock Igneous rock Mechanically formed sedimentary rock Chemically precipitated sedimentary rock Metamorphic rock Igneous rock Mechanically formed sedimentary rock Chemically precipitated sedimentary rock ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which one of the following polymers is obtained from condensation polymerization? Carbamide Phenol formaldehyde Melamine-formaldehyde All of these Carbamide Phenol formaldehyde Melamine-formaldehyde All of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials The type of steel used for precision levelling staff, is Titanium steel Carbon steel Stainless steel Invar Titanium steel Carbon steel Stainless steel Invar ANSWER DOWNLOAD EXAMIANS APP
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