Engineering Materials In low carbon steels, ________ raises the yield point and improves the resistance to atmospheric corrosion. Phosphorus Sulphur Manganese Silicon Phosphorus Sulphur Manganese Silicon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A reversible change in the atomic structure of steel with corresponding change in the properties is known as Solidus change Molecular change Physical change Allotropic change Solidus change Molecular change Physical change Allotropic change ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hardness of upper bainite (acicular structure) is about RC 65 RC 80 RC 57 RC 48 RC 65 RC 80 RC 57 RC 48 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The steel widely used for motor car crankshafts is Nickel steel Silicon steel Nickel-chrome steel Chrome steel Nickel steel Silicon steel Nickel-chrome steel Chrome steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following has highest specific strength of all structural materials? Magnetic steel alloys Chromium alloys Titanium alloys Magnesium alloys Magnetic steel alloys Chromium alloys Titanium alloys Magnesium alloys ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The lower critical temperature Is same for all steels Increases as the carbon content in steel increases Depends upon the rate of heating Decreases as the carbon content in steel increases Is same for all steels Increases as the carbon content in steel increases Depends upon the rate of heating Decreases as the carbon content in steel increases ANSWER DOWNLOAD EXAMIANS APP
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