Question

In the following conditions which lubricant is preferred i) When speed of machine is less ii) When machine again starts after rest Option 1: Thin film lubrication Option 2: Thick film lubrication Option 3: Extreme pressure lubrication Option 4: All of these​

Answer 1

Answer:

ALL OF THESE

Explanation:

ALL OF THESE

Answer 2

Answer:

Option - 4. All of these

Hope this will help you