Materials and Construction Which metal is protected by the layer of its own oxide? Silver Aluminium Calcium Iron Silver Aluminium Calcium Iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The hardest material just prior to diamond in Mhos scale is Calcite Corrundum Topax Carborundum Calcite Corrundum Topax Carborundum ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Dip stick used for measuring the level of petro fuels (e.g. petrol, diesel, fuel oil etc.) in the storage tank is usually made of Aluminium High carbon steel Brass Copper Aluminium High carbon steel Brass Copper ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Caustic soda is produced in a mercury cell having anode and cathode made respectively of moving mercury and Moving mercury and graphite Graphite and moving mercury Moving mercury and crimped steel wire Moving mercury and carbon Moving mercury and graphite Graphite and moving mercury Moving mercury and crimped steel wire Moving mercury and carbon ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Spark plugs are made of Metallic carbides Corundum High alumina ceramic Carborundum Metallic carbides Corundum High alumina ceramic Carborundum ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The process of coating steel sheets by zinc to improve its corrosion resistance is called Galvanising Tempering Zincification Calorising Galvanising Tempering Zincification Calorising ANSWER DOWNLOAD EXAMIANS APP