Oilers/Plant Tenders (HHC) Civil Service Practice Exam

How are carbon deposits removed from the air compressor of a diesel-driven installation?

1. By using compressed air

2. By using a solution of soap and water

3. By chemical solvents

4. By filtering through fabric

The correct answer is: By using a solution of soap and water

The process of removing carbon deposits from the air compressor of a diesel-driven installation typically involves the use of chemical solvents that can effectively break down and dissolve carbon buildup. This method is particularly beneficial because it helps to ensure that hard-to-reach areas and intricate components within the air compressor are cleaned thoroughly without the risk of damage that might occur with more abrasive cleaning methods. Using a solution of soap and water, while effective for certain cleaning tasks, may not have the same efficacy in dissolving tough carbon deposits specifically associated with diesel engine operation. Additionally, filtering through fabric or using compressed air may help in removing some particulate matter or loose debris but would not adequately address the buildup of carbon which is often more stubborn and requires a specific chemical action to remove. Thus, the most effective method for dealing with carbon deposits in this context tends to involve chemical solvents, ensuring a more complete cleaning and maintenance of the air compressor's functionality.