Materials and Construction Lead pipes are not safe for carraying drinking water, because water, containing dissolved oxygen attacks lead thereby forming poisonous Pb(OH)₂. Lead pipes are readily corroded by Acetic acid v Dilute HC₁ None of these Acetic acid v Dilute HC₁ None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Babbit metals used for making bearings are Short of antifrictional properties Tin or lead based alloys Yellow metals Having homogenous microstructure Short of antifrictional properties Tin or lead based alloys Yellow metals Having homogenous microstructure ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Galvanising is not a zinc diffusion process. A zinc diffusion process is termed as None of these Parkerising Anodising Sheradising None of these Parkerising Anodising Sheradising ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Iron rust is Powdered iron Hydrated ferric oxide Ferric sulphide Ferrous oxide Powdered iron Hydrated ferric oxide Ferric sulphide Ferrous oxide ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Molybdenum steels containing 0.15 to 0.40% molybdenum Are prone to temper brittleness Are used for automobile parts like gears, axle, shaft, bearings etc Have very poor fatigue resistance Do not contain nickel or chromium or both Are prone to temper brittleness Are used for automobile parts like gears, axle, shaft, bearings etc Have very poor fatigue resistance Do not contain nickel or chromium or both ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Carbon percentage is the same in cast iron and Wrought iron Mild steel Pig iron High silicon (14%) iron Wrought iron Mild steel Pig iron High silicon (14%) iron ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS