Materials and Construction A chemical change takes place when iron Is heated Melts Rusts None of these Is heated Melts Rusts None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The melleability of a material is the property by virtue of which it can be rolled or hammered into thin sheets. Which of the following materials has the miximum malleability? Wrought iron Lead Copper Aluminium Wrought iron Lead Copper Aluminium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of silicon in steel None of these Is in the form of free Si Indicates that steel is not deoxidised properly Decreases the blow holes formation tendency in castings None of these Is in the form of free Si Indicates that steel is not deoxidised properly Decreases the blow holes formation tendency in castings ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cast iron is having very high Tensile strength All of these Proximity between its elastic limit and ultimate breaking strength Ductility Tensile strength All of these Proximity between its elastic limit and ultimate breaking strength Ductility ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The ability of a material to absorb energy in the elastic range is a measure of its Resilience Toughness Malleability Brittleness Resilience Toughness Malleability Brittleness ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The temperature at which new grains are formed in the metal is called the __________ temperature. Eutectic Lower critical Recrystallisation Upper critical Eutectic Lower critical Recrystallisation Upper critical ANSWER DOWNLOAD EXAMIANS APP
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