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
Materials and Construction The damage/deterioration of metals by the __________ action of fluids is called 'erosion'. Both A & B Abrasive Neither A nor B Corrosive Both A & B Abrasive Neither A nor B Corrosive ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is not used as the ceramic material in 'cermets'? Oxides Carbides Silicides Nitrides Oxides Carbides Silicides Nitrides ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Plasticisers are added to polymers to improve their Alkali resistance Softness & flexibility Acid resistance Tensile strength Alkali resistance Softness & flexibility Acid resistance Tensile strength ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The behaviour of visco-elastic material is time dependent. This behaviour is commo in __________ materials. Non-crystalline solid Rubberry Non-crystalline organic polymeric Crystalline Non-crystalline solid Rubberry Non-crystalline organic polymeric Crystalline ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The process of coating steel sheets by zinc to improve its corrosion resistance is called Tempering Calorising Galvanising Zincification Tempering Calorising Galvanising Zincification ANSWER DOWNLOAD EXAMIANS APP
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