Materials and Construction A bearing metal should not have High toughness Low co-efficient of friction Low thermal conductivity Enough plasticity High toughness Low co-efficient of friction Low thermal conductivity Enough plasticity ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is produced by addition polymerisation? Dacron Polybutadiene Phenol formaldehyde Urea-formaldehyde Dacron Polybutadiene Phenol formaldehyde Urea-formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following has the poorest wel-dability? Low carbon steel Mild steel Wrought iron High-carbon steel Low carbon steel Mild steel Wrought iron High-carbon steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Mild steel is A low carbon steel (0.05 to 0.3% carbon) Very poor in strength & ductility A high carbon steel (0.5 to 1.5% carbon) Highly resistant to corrosion (as much as stainless steel) A low carbon steel (0.05 to 0.3% carbon) Very poor in strength & ductility A high carbon steel (0.5 to 1.5% carbon) Highly resistant to corrosion (as much as stainless steel) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Kel-F is a material, which is Chemically known as polychlorotrifluor-oethylene (PTFE) Having elastomeric properties Having excellent chemical & high temperature resistance (upto 200°C) All of these Chemically known as polychlorotrifluor-oethylene (PTFE) Having elastomeric properties Having excellent chemical & high temperature resistance (upto 200°C) All of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Corrosion involves exchange of electrons in __________ corrosion. Both A & B Chemical Neither A nor B Electrochemical Both A & B Chemical Neither A nor B Electrochemical ANSWER DOWNLOAD EXAMIANS APP
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