Materials and Construction The presence of impurities in iron Decreases its melting point Does not affect its melting point Increases its melting point Makes it malleable Decreases its melting point Does not affect its melting point Increases its melting point Makes it malleable ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Polythene (low or high density) containers are not corroded by Sulphuric acid (10%) at room temperature Sulphur trioxide at 60°C Nitric acid (95%) at room temperature Any of these Sulphuric acid (10%) at room temperature Sulphur trioxide at 60°C Nitric acid (95%) at room temperature Any of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hydrocyanic acid is not shipped in Aluminium containers Monel drums Steel cylinders Cast iron vessels Aluminium containers Monel drums Steel cylinders Cast iron vessels 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 Concrete Zircalloy Graphite Steel Concrete Zircalloy Graphite Steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Locomotive boiler tubes are made of __________ alloys. Nickel Aluminium Arsenic copper Magnesium Nickel Aluminium Arsenic copper Magnesium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Generally __________ are subjected to galvanising (i.e., zinc coating). Stainless steel Low carbon steels Non-ferrous metals Non-metals Stainless steel Low carbon steels Non-ferrous metals Non-metals ANSWER DOWNLOAD EXAMIANS APP
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