Materials and Construction In order to be called steel, an alloy should have iron percentage greater than 70 80 50 90 70 80 50 90 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Thermoplastic resins are those polymers, which Has decreased plasticity at increasing temperature None of these Can not be moulded Easily deform under pressure at high temperature Has decreased plasticity at increasing temperature None of these Can not be moulded Easily deform under pressure at high temperature ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Tin coating is not done by Vaporising Spraying Hot dipping Electro deposition Vaporising Spraying Hot dipping Electro deposition ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Mild steel is A high carbon steel (0.5 to 1.5% carbon) Very poor in strength & ductility A low carbon steel (0.05 to 0.3% carbon) Highly resistant to corrosion (as much as stainless steel) A high carbon steel (0.5 to 1.5% carbon) Very poor in strength & ductility A low carbon steel (0.05 to 0.3% carbon) Highly resistant to corrosion (as much as stainless steel) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Residual magnetism in steel for magnets is increased by the addition of Chromium Tungsten Cobalt Nickel Chromium Tungsten Cobalt Nickel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Galvanising (i.e., zinc coating) of steel sheets is done to Both A & B Protect the base metal by cathodic protection Prevent its rusting by contact with corrosive atmosphere Neither A nor B Both A & B Protect the base metal by cathodic protection Prevent its rusting by contact with corrosive atmosphere Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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