3rd TSSA Part 3A1 - Unit 13 | Questions with Correct Answers and
Answers with Verified Solutions | Latest 2026 Update
Q: When added, ________ increases the strength and hardness of steel. Manganese
Answer:
Lead, when added to a steel, increases the ________ of the steel. Machinability
One of aluminum's most important properties is its: Low density
Iron is produced in a blast furnace from: Iron ore
In white cast iron, the carbon in the iron is: Chemically combined in the form of iron
carbide
or cementite
The malleability of most materials will _____ when the material is heated. Increase
Advantages of the electric arc furnace over other steel making methods is the ability
to:
Control both the internal atmospheric conditions and the heat source
Answers with Verified Solutions | Latest 2026 Update
Q: When added, ________ increases the strength and hardness of steel. Manganese
Answer:
Lead, when added to a steel, increases the ________ of the steel. Machinability
One of aluminum's most important properties is its: Low density
Iron is produced in a blast furnace from: Iron ore
In white cast iron, the carbon in the iron is: Chemically combined in the form of iron
carbide
or cementite
The malleability of most materials will _____ when the material is heated. Increase
Advantages of the electric arc furnace over other steel making methods is the ability
to:
Control both the internal atmospheric conditions and the heat source