Materials and Construction __________ is a donor impurity for semi-conductors. Antimony Boron None of these Gallium Antimony Boron None of these Gallium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction 100% H₂SO₄ at 30°C can't be stored in a vessel made/lined with Aluminium, tin and rubber Cast iron and high silicon iron Teflon, glass and porcelain Mild steel and stainless steel Aluminium, tin and rubber Cast iron and high silicon iron Teflon, glass and porcelain Mild steel and stainless steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Maximum carbon content in cast iron is __________ percent. 3.8 4.3 5.2 4.8 3.8 4.3 5.2 4.8 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Locomotive boiler tubes are made of __________ alloys. Magnesium Aluminium Nickel Arsenic copper Magnesium Aluminium Nickel Arsenic copper ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Wrought iron is a suitable material of construction for handling __________ solutions. None of these Dilute acidic Alkalis & alkaline Concentrated acidic None of these Dilute acidic Alkalis & alkaline Concentrated acidic ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Thermosetting polymers are Extruded None of these Cast molded Injection moulded Extruded None of these Cast molded Injection moulded ANSWER DOWNLOAD EXAMIANS APP