Materials and Construction Which one occupies the lowermost position in the electromotive series of metals? Aluminium Alkali metals (K, Na, Li) Zinc Noble metals (Ag, Pt, Au) Aluminium Alkali metals (K, Na, Li) Zinc Noble metals (Ag, Pt, Au) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Silicone rubber is not resistant to the corrosive action of Sulphuric acid (10%) Both B and C Sulphuric acid (95%) Ether Sulphuric acid (10%) Both B and C Sulphuric acid (95%) Ether ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction All materials obey Hooke's law within elastic limit. When elastic limit is reached, the tensile strain Increases very quickly Increases in proportion to stress Decreases very quickly Decreases in proportion to stress Increases very quickly Increases in proportion to stress Decreases very quickly Decreases in proportion to stress ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A chemical change takes place when iron None of these Is heated Rusts Melts None of these Is heated Rusts Melts ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Common house hold glass (i.e., soda-lime glass) is a/an __________ material. Amorphous Fully crystalline None of these Partly crystalline Amorphous Fully crystalline None of these Partly crystalline ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Out of the following, copper vessels are the most suitable for the storage of Phosphoric acid (95%) & sulphuric acid (95% and fuming) Nitric acid (95% and fuming) Bromine Dry chlorine & dry fluorine Phosphoric acid (95%) & sulphuric acid (95% and fuming) Nitric acid (95% and fuming) Bromine Dry chlorine & dry fluorine ANSWER DOWNLOAD EXAMIANS APP
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