Building Materials A good building stone should not absorb water more than 15 % 5 % 20 % 10 % 15 % 5 % 20 % 10 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Asphalt is obtained from Petroleum distillation Plastic distillation Bitumen distillation None of these Petroleum distillation Plastic distillation Bitumen distillation None of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials Permanent magnets are made of high carbon steel and 15% of cobalt 20% of cobalt 45% of cobalt 35% of cobalt 15% of cobalt 20% of cobalt 45% of cobalt 35% of cobalt ANSWER DOWNLOAD EXAMIANS APP
Building Materials Proper amount of entrained air in concrete results in(i) Better workability(ii) Better resistance to freezing and thawing(iii) Lesser workability(iv) Less resistance to freezing and thawing (i) and (iv) (iii) and (iv) (ii) and (iii) (i) and (ii) (i) and (iv) (iii) and (iv) (ii) and (iii) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Building Materials During smelting process, the combination of fuel in the furnace 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 Forms carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Building Materials Compared to mild steel, cast iron has (i) High compressive strength (ii) High tensile strength (iii) Low compressive strength (iv) Low tensile strength (iii) and (iv) (ii) and (iii) (i) and (ii) (i) and (iv) (iii) and (iv) (ii) and (iii) (i) and (ii) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS