Materials and Construction Plasticisers are added to polymers to improve their Alkali resistance Tensile strength Softness & flexibility Acid resistance Alkali resistance Tensile strength Softness & flexibility Acid resistance ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction As the impurities are oxidised, the melting point of iron Increases Remains unchanged Decreases May increase or decrease ; unpredictable Increases Remains unchanged Decreases May increase or decrease ; unpredictable ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction To improve the machinability of steel, it is generally subjected to Annealing Tempering Normalising Spheroidising Annealing Tempering Normalising Spheroidising ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Nickel (56%) and molybdenum (17%) alloys are called Bronzes Inconel Monel Hastealloy C Bronzes Inconel Monel Hastealloy C ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Perspex is nothing but Acrylic sheet Aluminium foil clad with bakelite An elastomer An alloy of lead and tin Acrylic sheet Aluminium foil clad with bakelite An elastomer An alloy of lead and tin ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A measure of toughness of a material is its Yield strength Percentage elongation Area under stress-strain diagram Ultimate strength Yield strength Percentage elongation Area under stress-strain diagram Ultimate strength ANSWER DOWNLOAD EXAMIANS APP
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