Materials and Construction Beehive coke ovens are made of __________ bricks. Corundum Silicon carbide Silica Fireclay Corundum Silicon carbide Silica Fireclay ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Common house hold glass (i.e., soda-lime glass) is a/an __________ material. None of these Partly crystalline Fully crystalline Amorphous None of these Partly crystalline Fully crystalline Amorphous ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Diamagnetic materials are magnetised In a direction opposite to that of the applied field With eddy currents only Strongly Only slightly In a direction opposite to that of the applied field With eddy currents only Strongly Only slightly 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) Dry chlorine & dry fluorine Bromine Phosphoric acid (95%) & sulphuric acid (95% and fuming) Nitric acid (95% and fuming) Dry chlorine & dry fluorine Bromine ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Galvanising (i.e., zinc coating) of steel sheets is done to Prevent its rusting by contact with corrosive atmosphere Neither A nor B Both A & B Protect the base metal by cathodic protection Prevent its rusting by contact with corrosive atmosphere Neither A nor B Both A & B Protect the base metal by cathodic protection ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead pipes are not safe for carrying drinking water because water containing dissolved oxygen attacks lead thereby forming poisonous Pb (OH)2. Concentrated H₂SO₄ None of these Dilute HCI Acetic acid Concentrated H₂SO₄ None of these Dilute HCI Acetic acid ANSWER DOWNLOAD EXAMIANS APP