Materials and Construction Ferric stainless steels compared to austenitic stainless steels Have lower corrosion resistance Are less ductile and hence less suitable for cold pressing All of these Are harder to fabricate Have lower corrosion resistance Are less ductile and hence less suitable for cold pressing All of these Are harder to fabricate ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following exercises most powerful influence on the mechanical properties of steel? Silicon Carbon Manganese Phosphorous Silicon Carbon Manganese Phosphorous ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of high phosphorous in cast iron increases its Fluidity Melting point Tensile strength Shrinkage Fluidity Melting point Tensile strength Shrinkage ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Babbit metal (used for making bearings) comprises of 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 Copper and aluminium Mainly tin (85%) and lead ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following crystal structures characterises the ferritic stainless steel? Body centred cubic Face centred cubic Simple hexagonal None of these Body centred cubic Face centred cubic Simple hexagonal None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Kel-F is a material, which is Having elastomeric properties All of these Chemically known as polychlorotrifluor-oethylene (PTFE) Having excellent chemical & high temperature resistance (upto 200°C) Having elastomeric properties All of these Chemically known as polychlorotrifluor-oethylene (PTFE) Having excellent chemical & high temperature resistance (upto 200°C) ANSWER DOWNLOAD EXAMIANS APP