WorksheetsARC 432 QUIZ/2
Total questions: 15
Worksheet time: 8mins
Which of the following is not a raw material used in steel manufacturing?
Iron ore
Limestone
Coke
Copper ore
What is the primary function of limestone in a blast furnace?
Acts as a fuel
Removes impurities as slag
Supplies oxygen
Reduces iron ore
What process converts pig iron into steel using oxygen?
Bessemer process
Open hearth process
Basic oxygen furnace process
Electric arc process
The Electric Arc Furnace (EAF) mainly uses which input material?
Iron ore
Scrap steel
Coke
Pig iron
What is the purpose of coke in steel manufacturing?
Mild steel
Medium carbon steel
High carbon steel
Tool steel
Which of the following types of steel has the lowest carbon content?
Mild steel
Medium carbon steel
High carbon steel
Tool steel
Stainless steel contains a high percentage of which element?
Carbon
Nickel
Chromium
Manganese
Which steel type offers the best combination of strength and weldability?
Cast iron
Tool steel
High Strength Low Alloy (HSLA) steel
Carbon steel
Which property is most affected by the carbon content in steel?
Corrosion resistance
Strength and hardness
Electrical conductivity
Density
Which type of steel is commonly used in building structures and frames?
Mild steel
Stainless steel
High carbon steel
Tool steel
The main objective of rolling is to:
Melt steel
Reduce cross-section and refine structure
Add alloying elements
Remove slag
In hot rolling, the metal is rolled:
Above its recrystallization temperature
Below its recrystallization temperature
At room temperature
In solidified state only
Cold rolling improves which of the following properties?
Ductility
Toughness
Surface finish and dimensional accuracy
Machinability
Which of the following is not a product of the rolling process?
Steel plates
Steel bars
I-beams
Steel wires produced by drawing
During rolling, the change in grain structure results in:
Lower strength
Improved mechanical properties
Reduced ductility and corrosion resistance
Decreased surface quality
