Materials and Construction Polythene (low or high density) containers are not corroded by Sulphur trioxide at 60°C Sulphuric acid (10%) at room temperature Any of these Nitric acid (95%) at room temperature Sulphur trioxide at 60°C Sulphuric acid (10%) at room temperature Any of these Nitric acid (95%) at room temperature ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Wood is corroded by All of these SO₂ (dry or wet) Chlorine (dry or wet) Hydrochloric acid All of these SO₂ (dry or wet) Chlorine (dry or wet) Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following has the poorest wel-dability? Mild steel Low carbon steel Wrought iron High-carbon steel Mild steel Low carbon steel Wrought iron High-carbon steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Thermal shield used in high powered nuclear reactor to protect the walls of the reactor from radiation damage is made of Graphite Steel Concrete Zircalloy Graphite Steel Concrete Zircalloy ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Acid proof stoneware Cannot be heated Has very low strength Is broken by small temperature changes All of these Cannot be heated Has very low strength Is broken by small temperature changes All of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Galvanising (i.e., zinc coating) of steel sheets is done to Prevent its rusting by contact with corrosive atmosphere Neither A nor B Protect the base metal by cathodic protection Both A & B Prevent its rusting by contact with corrosive atmosphere Neither A nor B Protect the base metal by cathodic protection Both A & B ANSWER DOWNLOAD EXAMIANS APP
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