Materials and Construction Spark plugs are made of Metallic carbides Carborundum Corundum High alumina ceramic Metallic carbides Carborundum Corundum High alumina ceramic ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ is used for examining the macro-structure of a material. Metallurgical microscope Optical microscope X-rays Visual inspection by naked eye Metallurgical microscope Optical microscope X-rays Visual inspection by naked eye ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Tank furnace used for melting of glass is made of Refractory blocks Mild steel Cast iron Stainless steel Refractory blocks Mild steel Cast iron Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Silicon percentage in iron castings to have maximum hardness should be about 0.3 0.8 2.5 0.5 0.3 0.8 2.5 0.5 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A magnetic material becomes __________ above the Curie temperature. None of these Diamagnetic Ferromagnetic Paramagnetic None of these Diamagnetic Ferromagnetic Paramagnetic ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A metallic alloy in general as compared to their pure metal components is Having lower electrical conductivity Having lower hardness, reactivity and fusibility Having higher melting point More corrosion resistant Having lower electrical conductivity Having lower hardness, reactivity and fusibility Having higher melting point More corrosion resistant ANSWER DOWNLOAD EXAMIANS APP
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