Materials and Construction The metals occuring at the lower most position in the electromotive series Resist corrosion very strongly Are heat insulators Do not resist corrosion Are very brittle Resist corrosion very strongly Are heat insulators Do not resist corrosion Are very brittle ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Plasticisers are added to polymers to improve their Softness & flexibility Tensile strength Acid resistance Alkali resistance Softness & flexibility Tensile strength Acid resistance Alkali resistance ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following heat treatment processes is used for softening the hardened material? Annealing None of these Tempering Normalising Annealing None of these Tempering Normalising ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The range of Mho's scale of hardness is from 1 to 10 1 to 8 0 to 10 1 to 15 1 to 10 1 to 8 0 to 10 1 to 15 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is not an alloy of copper and tin? Bell metal Gun metal Monel metal Admiralty gun metal Bell metal Gun metal Monel metal Admiralty gun metal ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Addition of nickel to copper improves its Hardness Machinability Ductility Strength Hardness Machinability Ductility Strength ANSWER DOWNLOAD EXAMIANS APP
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