Materials and Construction The main purpose of galvanising iron sheets is to Harden the surface Prevent the action of water Increase its glossiness and lustre Prevent the action of oxygen Harden the surface Prevent the action of water Increase its glossiness and lustre Prevent the action of oxygen ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Wood is corroded by SO₂ (dry or wet) All of these Hydrochloric acid Chlorine (dry or wet) SO₂ (dry or wet) All of these Hydrochloric acid Chlorine (dry or wet) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Vessels made of __________ can be used to store dry chlorine. Thermoplastic materials None of these Nickel Steel or iron Thermoplastic materials None of these Nickel Steel or iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Babbit metals used for making bearings are Short of antifrictional properties Having homogenous microstructure Tin or lead based alloys Yellow metals Short of antifrictional properties Having homogenous microstructure Tin or lead based alloys Yellow metals ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ moulding process can not be used for thermoplastic plastics. Injection None of these Extrusion Compression Injection None of these Extrusion Compression ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Glass lined vessels are not used for handling/storing Hydroflouric acid Dilute H₂SO₄ Dilute HNO₃ Dilute HCl Hydroflouric acid Dilute H₂SO₄ Dilute HNO₃ Dilute HCl ANSWER DOWNLOAD EXAMIANS APP