Materials and Construction Which of the following metals in not used for coating of the base metal to guard it against corrosion? Aluminium Lead Cadmium Magnesium Aluminium Lead Cadmium Magnesium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The main constituent of carborundum is __________ carbide. Silicon Calcium Boron Aluminium Silicon Calcium Boron Aluminium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction High speed cutting tool steels contain about __________ percent of tungsten. 50-55 43990 30-35 18-20 50-55 43990 30-35 18-20 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Graphite is corroded by Sulphuric acid (10%) Hydrochloric acid Sea water None of these Sulphuric acid (10%) Hydrochloric acid Sea water None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following pairs of elements may form an alloy? Platinum & mercury None of these Iron & mercury Iron & carbon Platinum & mercury None of these Iron & mercury Iron & carbon ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Zinc is not used As an alloying element in various bronzes For producing zinc base die casting alloys As anode for corrosion prevention in boiler In its oxide form as pigments As an alloying element in various bronzes For producing zinc base die casting alloys As anode for corrosion prevention in boiler In its oxide form as pigments ANSWER DOWNLOAD EXAMIANS APP