Materials and Construction Bog iron used for the adsorption of H?S from coke oven gas is None of these Carbon free iron Iron impregnated with resin (usually bakelite) An intimate mixture of saw dust and iron dust (i.e. moist ferric hydroxide) None of these Carbon free iron Iron impregnated with resin (usually bakelite) An intimate mixture of saw dust and iron dust (i.e. moist ferric hydroxide) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction To improve the machinability of steel, it is generally subjected to Spheroidising Annealing Tempering Normalising Spheroidising Annealing Tempering Normalising ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Tempering of steel is done to make it Soft Brittle Rollable Hard Soft Brittle Rollable Hard ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead pipes are not safe for carraying drinking water, because water, containing dissolved oxygen attacks lead thereby forming poisonous Pb(OH)₂. Lead pipes are readily corroded by None of these v Acetic acid Dilute HC₁ None of these v Acetic acid Dilute HC₁ ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is produced by condensation polymerisation? Poly vinyl chloride Polystyrene Bakelite Polythene Poly vinyl chloride Polystyrene Bakelite Polythene ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Corrosion resisting properties of cast iron are significantly improved by the addition of 12 - 15% of Silicon All of these Tungsten Vanadium Silicon All of these Tungsten Vanadium ANSWER DOWNLOAD EXAMIANS APP
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