Materials and Construction With increase in the carbon percentage in the steel, its Hardness increases All of these Ductility reduces Tensile strength increases Hardness increases All of these Ductility reduces Tensile strength increases ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The temperature at which new grains are formed in the metal is called the __________ temperature. Recrystallisation Eutectic Lower critical Upper critical Recrystallisation Eutectic Lower critical Upper critical ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Corrosion involves exchange of electrons in __________ corrosion. Neither A nor B Electrochemical Chemical Both A & B Neither A nor B Electrochemical Chemical Both A & B ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction 'Hypersil' is a __________ steel. Silicon Tungsten High speed Molybdenum Silicon Tungsten High speed Molybdenum ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following heat treatment processes is used for softening the hardened material? Tempering Normalising None of these Annealing Tempering Normalising None of these Annealing ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A bearing metal should not have Low co-efficient of friction Low thermal conductivity High toughness Enough plasticity Low co-efficient of friction Low thermal conductivity High toughness Enough plasticity ANSWER DOWNLOAD EXAMIANS APP
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