Basicity [%Cao + %MgO + %SiO2) of the slag in Indian blast furnace is in the range of___________________?

Related Mcqs:

With increase in temperature, the electrical conductivity of semiconductors_____________________?

A. Increases B. Decreases C. Remain constant D. Either A. or B. depends on the type of semi-conductor...

Window panes of aeroplanes are normally made of_____________________?

A. Perspex (PMMA) B. Teflon (PTFE) C. Bakelite (phenol formaldehyde) D. Polystyrene...

Addition of silicon to cast iron ___________________?

A. Promotes graphite module formation B. Improves its ductility C. Does not promote graphite flakes formation D. Increases the fluidity of molten metal...

Factor of safety is the ratio of the ___________________ stress to the working stress?

A. Tensile B. Compressive C. Yield D. Bearing...

Principal alloying element in Elinvar (used for making hair springs for watches) is__________________?

A. Copper B. Aluminium C. Nickel D. Zinc...