Question

Which oil shows lowest tool wear?

• A. Sunflower
• B. Coconut
• C. Blassocut
• D. Soyabean
• A. Dry
• B. Coconut
• C. Blassocut
• D. Soyabean
• A. 0.1
• B. 0.2
• C. 0.3
• D. 0.4
• A. Tool wear is higher for dry condition
• B. Tool wear increases as speed increases.
• C. Soyabean oil has lowest tool wear.
• D. All the above

Answer 1

The Correct Option is D

From the graph, we can observe that the oil labeled as "Soyabean" consistently shows the lowest tool wear compared to the other oils at various speeds. 

Answer 2

From the graph, the "Soyabean" oil shows the lowest tool wear compared to other oils, as its corresponding line consistently stays at the lowest level. 

Answer 3

At 80 rpm, the difference between the maximum and minimum tool wear is approximately 0.4, as observed in the graph. 

Answer 4

From the graph, we can conclude that: 

• Tool wear is indeed higher for the dry condition.
• Tool wear increases as speed increases.
• Soyabean oil has the lowest tool wear compared to the others.