Materials and Construction Cast iron is All of these Used for making shock resisting parts Having compressive strength more than its tensile strength Manufactured in cupola and is brittle All of these Used for making shock resisting parts Having compressive strength more than its tensile strength Manufactured in cupola and is brittle ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The electrical conductivity of a __________ decreases with rise in temperature. Dielectric Metal/alloy None of these Semi-conductor Dielectric Metal/alloy None of these Semi-conductor ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Interchain forces are the weakest in case of Fibres Plastics Both rubber & elastomers Elastomers Fibres Plastics Both rubber & elastomers Elastomers 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 Aluminium Lead Copper Wrought iron Aluminium Lead Copper ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of silicon in steel Is in the form of free Si Indicates that steel is not deoxidised properly None of these Decreases the blow holes formation tendency in castings Is in the form of free Si Indicates that steel is not deoxidised properly None of these Decreases the blow holes formation tendency in castings ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction In cold working of metal as compared to its hot working Cracks and blow holes are eliminated Yield stress, hardness and fatigue strength is not at all affected Ductility and impact strength improves Appreciable strain hardening is produced Cracks and blow holes are eliminated Yield stress, hardness and fatigue strength is not at all affected Ductility and impact strength improves Appreciable strain hardening is produced ANSWER DOWNLOAD EXAMIANS APP
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