Materials and Construction Addition of lead, sulphur and phosphorus to low carbon steel helps in improving its Corrosion resistance Machinability Tensile strength Compressive strength Corrosion resistance Machinability Tensile strength Compressive strength ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is universally employed as the low expansion metal in the bimetallic thermometer, which is an iron-nickel alloy containing 36% nickel and has very low co-efficient of expansion (l/20th of ordinary metals)? Constantan Chromel Alumel Invar Constantan Chromel Alumel Invar ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of silicon in steel None of these Decreases the blow holes formation tendency in castings Indicates that steel is not deoxidised properly Is in the form of free Si None of these Decreases the blow holes formation tendency in castings Indicates that steel is not deoxidised properly Is in the form of free Si ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Photographic plates are coated with Silver halide Calcium silicate Metallic silver Silver nitrate Silver halide Calcium silicate Metallic silver Silver nitrate ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cast iron is having very high Tensile strength Ductility All of these Proximity between its elastic limit and ultimate breaking strength Tensile strength Ductility All of these Proximity between its elastic limit and ultimate breaking strength ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Fatigue failure of a material results from __________ stress. Compressive Fluctuating Tensile None of these Compressive Fluctuating Tensile None of these ANSWER DOWNLOAD EXAMIANS APP