Materials and Construction 'Semi steel' is Neither A nor B Produced by adding 10-20% steel to the cupola charge Stronger than cast iron Both A & B Neither A nor B Produced by adding 10-20% steel to the cupola charge Stronger than cast iron Both A & B ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Kel-F is a material, which is 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) Having elastomeric properties All of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cast iron is a __________ material. Malleable Tough Ductile Brittle Malleable Tough Ductile Brittle ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Residual magnetism in steel for magnets is increased by the addition of Cobalt Chromium Tungsten Nickel Cobalt Chromium Tungsten Nickel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Tin base and lead base alloys are used for bearing materials. Tin compared to lead has lower Corrosion resistance Price Abundant availability Thermal conductivity Corrosion resistance Price Abundant availability Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of even very minute amount (say 0.1%) of __________ in copper, reduces its electrical conductivity very seriously. Antimony Both B and C Bismuth Arsenic Antimony Both B and C Bismuth Arsenic ANSWER DOWNLOAD EXAMIANS APP
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