Materials and Construction The damage/deterioration of metals by the __________ action of fluids is called 'erosion'. Both A & B Abrasive Corrosive Neither A nor B Both A & B Abrasive Corrosive Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Acetaldehyde is produced by hydration of acetylene in a sulphuric acid solution of mercuric sulphate. Hydration tower is made of Cast iron Aluminium Lead lined mild steel Rubber lined mild steel Cast iron Aluminium Lead lined mild steel Rubber lined mild steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of nitrogen in steel Increases its strength Makes it brittle Is desirable Increases its hardness Increases its strength Makes it brittle Is desirable Increases its hardness ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction To improve the machinability of steel, it is generally subjected to Annealing Spheroidising Normalising Tempering Annealing Spheroidising Normalising Tempering ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Maximum permissible sulphur content in steel is __________ percent. 0.805 0.505 0.015 0.055 0.805 0.505 0.015 0.055 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Bog iron used for the adsorption of H?S from coke oven gas is Iron impregnated with resin (usually bakelite) None of these An intimate mixture of saw dust and iron dust (i.e. moist ferric hydroxide) Carbon free iron Iron impregnated with resin (usually bakelite) None of these An intimate mixture of saw dust and iron dust (i.e. moist ferric hydroxide) Carbon free iron ANSWER DOWNLOAD EXAMIANS APP
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