Materials and Construction Out of the following, copper vessels are the most suitable for the storage of Nitric acid (95% and fuming) Dry chlorine & dry fluorine Bromine Phosphoric acid (95%) & sulphuric acid (95% and fuming) Nitric acid (95% and fuming) Dry chlorine & dry fluorine Bromine Phosphoric acid (95%) & sulphuric acid (95% and fuming) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Visco-elastic behaviour of materials which is time dependent is common in Non-crystalline organic polymer Crystalline solid Plastics Non-crystalline solids Non-crystalline organic polymer Crystalline solid Plastics Non-crystalline solids ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ is a donor impurity for semi-conductors. Gallium Boron None of these Antimony Gallium Boron None of these Antimony ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following heat treatment processes is used for softening the hardened material? Normalising Tempering None of these Annealing Normalising Tempering None of these Annealing ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The loss of strength in compression which occurs, when there is a gain of strength in tension due to over loading is called Bauschinger effect Hooke's effect Relaxation Hysterisis Bauschinger effect Hooke's effect Relaxation Hysterisis ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following crystal structures characterises the ferritic stainless steel? Simple hexagonal Body centred cubic None of these Face centred cubic Simple hexagonal Body centred cubic None of these Face centred cubic ANSWER DOWNLOAD EXAMIANS APP