Materials and Construction Silico-manganese steels (containing 0.7% Mn, 0.5% C and 2% Si) Are used for leaf and coiled springs Do not have good resilience properties Do not require heat treatment for any of its applications Is tempered at 850°C Are used for leaf and coiled springs Do not have good resilience properties Do not require heat treatment for any of its applications Is tempered at 850°C ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead pipes are not safe for carrying drinking water because water containing dissolved oxygen attacks lead thereby forming poisonous Pb (OH)2. Concentrated H₂SO₄ None of these Dilute HCI Acetic acid Concentrated H₂SO₄ None of these Dilute HCI Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ is never shipped in glass carboys. Phenol Acetic acid Formaldehyde Ammonia Phenol Acetic acid Formaldehyde Ammonia ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hardest material so far found is Carborundum Diamond Graphite Pumice stone Carborundum Diamond Graphite Pumice stone ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of high phosphorous in cast iron increases its Fluidity Shrinkage Melting point Tensile strength Fluidity Shrinkage Melting point Tensile strength ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead is Used as a shock absorber (in mattress form) between the foundation an steel framework of skyscrapper buildings Used as a cathodic material Not used as pigment (in its compound forms) for paints Not resistant to corrosion Used as a shock absorber (in mattress form) between the foundation an steel framework of skyscrapper buildings Used as a cathodic material Not used as pigment (in its compound forms) for paints Not resistant to corrosion ANSWER DOWNLOAD EXAMIANS APP