Materials and Construction Tin in its pure form is used for making Foil for wrapping cheese Collapsible tubes for toilet preparations Cans for food packing All of these Foil for wrapping cheese Collapsible tubes for toilet preparations Cans for food packing All of these 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 crimped steel wire Moving mercury and carbon Graphite and moving mercury Moving mercury and graphite Moving mercury and crimped steel wire Moving mercury and carbon Graphite and moving mercury Moving mercury and graphite ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction For spinning viscose rayon, the extrusion spinnerettes are made of Nickel Platinum or gold alloys Aluminium High carbon steel Nickel Platinum or gold alloys Aluminium High carbon steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Babbit metal (used for making bearings) comprises of Copper and aluminium Mainly tin (85%) and lead Saw dust and iron dust mixture Zinc and aluminium Copper and aluminium Mainly tin (85%) and lead Saw dust and iron dust mixture Zinc and aluminium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Duralumin is an alloy of Aluminium, nickel and silicon Aluminium and nickel None of these Aluminium, copper and manganese Aluminium, nickel and silicon Aluminium and nickel None of these Aluminium, copper and manganese ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction As the impurities are oxidised, the melting point of iron May increase or decrease ; unpredictable Increases Decreases Remains unchanged May increase or decrease ; unpredictable Increases Decreases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
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