Engineering Materials The addition of which of the following improves machining of copper? Sulphur Vanadium Zinc Tin Sulphur Vanadium Zinc Tin ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The lower critical temperature Decreases as the carbon content in steel increases Depends upon the rate of heating Increases as the carbon content in steel increases Is same for all steels Decreases as the carbon content in steel increases Depends upon the rate of heating Increases as the carbon content in steel increases Is same for all steels ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Carbon steel is Extensively used for making cutting tools Made by adding carbon in steel Refined from cast iron An alloy of iron and carbon with varying quantities of phosphorus and sulphur Extensively used for making cutting tools Made by adding carbon in steel Refined from cast iron An alloy of iron and carbon with varying quantities of phosphorus and sulphur ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The following element can't impart high strength at elevated temperature Magnesium Silicon Nickel Manganese Magnesium Silicon Nickel Manganese ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Grey cast iron has Carbon in the form of free graphite High tensile strength Low compressive strength All of these Carbon in the form of free graphite High tensile strength Low compressive strength All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A material is said to be allotropic, if it has Different crystal structures at different temperatures Any one of the above Atoms distributed in random pattern Fixed structure at all temperatures Different crystal structures at different temperatures Any one of the above Atoms distributed in random pattern Fixed structure at all temperatures ANSWER DOWNLOAD EXAMIANS APP
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