Q. Which of the following needs constant cleaning in a diesel engine? (Solved)
1. Air only
2. Fuel only
3. Air, fuel and lubricating oil
4. Lubricating oil only
5. Air and fuel only
- c. Air, fuel and lubricating oil
1. Air only
2. Fuel only
3. Air, fuel and lubricating oil
4. Lubricating oil only
5. Air and fuel only