Metallurgy Quiz Test

What will be the result of working on low carbon steel at high strain rate?

• Increase in softness

• Increase in UTS

• Decrease in Toughness

• Increase in Yield Strength

Why the mould is subjected to vertical oscillations in the continuous casting of steel?

• Allow easy floatation of inclusions

• Ensure Good Casting

• Increase the heat transfer rate from steel to mould

• Prevent the skin from sticking to mould

From the 4th Semester subjects, which subjects do you like?

• Material Testing

• Corrosion

• Physical Metallurgy

• Mechanical Metallurgy

The power law relation is used to describe the (a)  

In a material, if several mechanisms are operating in parallel to creep , then the creep rate will be decided by (a)  

Match the correct process-mineral matching in metallurgical extraction?

• Lead

• Leaching

• Zr

• Zone refining

• Tin

• Liquation

• Silver

• Van Arkel

Mercury, Silver & Gold are very reactive metals. True or False?​ (a)   ​

• False
• True

Suppose you are working as a R&D professional in HAL. To design the wing flaps, aeronautical components have been given for metal joining purposes. Create different welding methods that can be adopted in order to make a fail-safe design.

Using Ellingham diagram indicate the lowest temperature at which ZnO can be reduced to Zinc metal by carbon. Write the overall reduction reaction at this temperature.