Materials and Construction Telfon (PTFE) is corroded by Hydrochloric acid (95%) Sulphuric acid None of these Hydrochloric acid (10%) Hydrochloric acid (95%) Sulphuric acid None of these Hydrochloric acid (10%) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction To improve the machinability of steel, it is generally subjected to Normalising Annealing Spheroidising Tempering Normalising Annealing Spheroidising Tempering ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Corrosion involves exchange of electrons in __________ corrosion. Neither A nor B Electrochemical Both A & B Chemical Neither A nor B Electrochemical Both A & B Chemical ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A bearing metal should not have Enough plasticity Low co-efficient of friction Low thermal conductivity High toughness Enough plasticity Low co-efficient of friction Low thermal conductivity High toughness ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction 'Age hardening' of duralumin is due to Copper Magnesium Neither A nor B Both A & B Copper Magnesium Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Combination of metals and ceramics are called Non-crystalline ceramics Metalloy Pellets Cermets Non-crystalline ceramics Metalloy Pellets Cermets ANSWER DOWNLOAD EXAMIANS APP
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