Steel contains____________________?

Engineering Materials 06/04/2021

A. 80% or more iron
B. 50% or more iron
C. alloying elements like chromium, tungsten nickel and copper
D. elements like phosphorus, sulphur and silicon in varying quantities
E. high quantities of sulphur

Related Mcqs:

    Iron is ____________________?
    A. paramagnetic B. ferromagnetic C. ferroelectric D. dielectric E. none of the above...
    Process of austempering results in__________________?
    A. formation of bainite structure B. carburised structure C. martenistic structure D. lamellar layers of carbide distributed throughout the structure E. relieving of stresses throughout a component...
    The most effective inhibitor of grain growth, when added in small quantities is__________________?
    A. carbon B. vanadium C. manganese D. cobalt E. copper...
    Nickel in steel___________________?
    A. improves wear resistance, cutting ability and toughness B. refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant proper¬ties C. improves cutting ability and reduces hardenability D. gives ductility, toughness, tensile strength and anticorrosion properties E. none of the above...
    Addition of copper to aluminium results in_____________________?
    A. improvement of casting characteristics B. improvement of corrosion resistance C. one of the best known age and precipitation-hardening systems D. improving machinability E. none of the above...

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