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Worksheets22202 Metallurgy
Total questions: 20
Worksheet time: 10mins
solder alloy Consist of
Lead and tin
Tin and white metal
Zinc and tin
Tin and antimony
Flux used in a blast furnace while melting iron ore is
Carbon
Oxygen
Limestone
Coke
Brass is an alloy of
Copper and tin
Copper and zinc
Copper and lead
Copper and nickel
Bronze is an alloy of
Copper lead and tin
Copper and tin
Copper and zinc
Zinc nickel and tin
The method used for separating ore and gangue by preferential waiting with oil and water is
Froth flotation
Gravity separation
Magnetic separation
Chemical method
The method used for separating ore and gangue by preferential waiting with oil and water is
Froth flotation
Gravity separation
Magnetic separation
Chemical method
Froth flotation method is applied for
Oxide Boss
Sulphide ores
Aluminium ores
Zinc ores
High purity copper metal can be obtained by
Carbon reduction
Hydrogen production
Thermite reduction
Electrolytic reduction
Haematite ore is concentrated by
Gravity separation
Froth flotation
Amalgamation
All of these
In purification of copper [electrolytic refining] anode is
Pure copper
Impure copper
Pure carbon
None of these
Slag is product formed when
Flux reacts with ore
Flux reacts with mineral
Gangue reacts with ore
Gangue reacts with flux
Wood's metal and soulders are prepared by
Fusion method
Compression method
Smelting
Oxidation
...... Steel is used in railway engineering
Low carbon Steel
Medium carbon Steel
High carbon Steel
All of these
The ability of a metal to cut by cutting tool is
Machinability
Weldability
Tensile strength
Toughness
Weakening of metal due to repeatedly applied load is
Stiffness
Specific heat
Density
Fatigue
The hardness is the property of a material due to which it...
Can be rolled or hammered into thin sheets
Can be drawn into wires
Breaks with little permanent distortion
Can cut another metal
The product from a blast furnace in metallurgy of iron is known as
Cast iron
Wrought iron
Pig iron
Steel
Silica is added to roasted copper ore during extraction in order to remove
Cuprous sulphide
Ferrous sulphide
Ferrous oxide
Cuprous oxide
Copper is extracted from
Melachite
Hematite
Dolomite
Copper pyrite
Rocky impurities associated with metal is called as
Flux
Slag
Matrix
Alloy
